diff --git a/src/formats.rs b/src/formats.rs
index 6370498..1228759 100644
--- a/src/formats.rs
+++ b/src/formats.rs
@@ -1,10 +1,10 @@
 use std::any::Any;
-use crate::ProgramContext;
+use crate::AppContext;
 
 pub struct Format {
     pub name: &'static str,
-    pub detect_func: fn(&ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>>,
-    pub run_func: fn(&ProgramContext, Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>>,
+    pub detector_func: fn(&AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>>,
+    pub extractor_func: fn(&AppContext, Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>>,
 }
 
 pub mod mstar;
@@ -44,32 +44,33 @@ pub mod mtk_bdp;
 
 pub fn get_registry() -> Vec<Format> {
     return vec![
-        crate::formats::amlogic::format(),
-        crate::formats::epk1::format(),
-        crate::formats::android_ota_payload::format(),
-        crate::formats::bdl::format(),
-        crate::formats::epk2::format(),
-        crate::formats::epk::format(),
-        crate::formats::epk2b::format(),
-        crate::formats::funai_upg::format(),
-        crate::formats::invincible_image::format(),
-        crate::formats::msd10::format(),
-        crate::formats::msd11::format(),
         crate::formats::mstar::format(),
-        crate::formats::novatek::format(),
         crate::formats::nvt_timg::format(),
         crate::formats::pfl_upg::format(),
-        crate::formats::pup::format(),
-        crate::formats::roku::format(),
-        crate::formats::ruf::format(),
-        crate::formats::rvp::format(),
         crate::formats::sddl_sec::format(),
+        crate::formats::novatek::format(),
+        crate::formats::ruf::format(),
+        crate::formats::invincible_image::format(),
         crate::formats::slp::format(),
-        crate::formats::mtk_pkg_old::format(),
-        crate::formats::mtk_pkg::format(),
+        crate::formats::roku::format(),
         crate::formats::sony_bdp::format(),
-        crate::formats::mtk_pkg_new::format(),
+        crate::formats::rvp::format(),
+        crate::formats::funai_upg::format(),
         crate::formats::pana_dvd::format(),
+        crate::formats::android_ota_payload::format(),
+        crate::formats::bdl::format(),
+        crate::formats::amlogic::format(),
+        crate::formats::pup::format(),
+        crate::formats::msd10::format(),
+        crate::formats::msd11::format(),
+        crate::formats::epk::format(),
+        crate::formats::epk1::format(),
+        crate::formats::epk2::format(),
+        crate::formats::epk2b::format(),
+        crate::formats::epk3::format(),
+        crate::formats::mtk_pkg::format(),
+        crate::formats::mtk_pkg_old::format(),
+        crate::formats::mtk_pkg_new::format(),
         crate::formats::mtk_bdp::format(),
     ]
 }
\ No newline at end of file
diff --git a/src/formats/amlogic.rs b/src/formats/amlogic.rs
index 08d4793..cd9b6c0 100644
--- a/src/formats/amlogic.rs
+++ b/src/formats/amlogic.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "amlogic", detect_func: is_amlogic_file, run_func: extract_amlogic }
+    Format { name: "amlogic", detector_func: is_amlogic_file, extractor_func: extract_amlogic }
 }
 
 use std::path::{Path};
@@ -49,7 +49,7 @@ impl ItemEntry {
     }
 }
 
-pub fn is_amlogic_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_amlogic_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 8, 4)?;
     if header == b"\x56\x19\xB5\x27" {
         Ok(Some(Box::new(())))
@@ -58,7 +58,7 @@ pub fn is_amlogic_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>,
     }
 }
 
-pub fn extract_amlogic(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_amlogic(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     file.seek(SeekFrom::Start(0))?;
     let header: ImageHeader = file.read_le()?;
diff --git a/src/formats/android_ota_payload.rs b/src/formats/android_ota_payload.rs
index 0153dd8..3e670cf 100644
--- a/src/formats/android_ota_payload.rs
+++ b/src/formats/android_ota_payload.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "android_ota_payload", detect_func: is_android_ota_payload_file, run_func: extract_android_ota_payload }
+    Format { name: "android_ota_payload", detector_func: is_android_ota_payload_file, extractor_func: extract_android_ota_payload }
 }
 
 use std::fs::{self, OpenOptions};
@@ -22,7 +22,7 @@ struct Header {
     metadata_signature_size: u32,
 }
 
-pub fn is_android_ota_payload_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_android_ota_payload_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 4)?;
     if header == b"CrAU" {
         Ok(Some(Box::new(())))
@@ -31,7 +31,7 @@ pub fn is_android_ota_payload_file(app_ctx: &ProgramContext) -> Result<Option<Bo
     }
 }
 
-pub fn extract_android_ota_payload(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_android_ota_payload(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: Header = file.read_be()?;
     println!("File info:\nFormat version: {}\nManifest size: {}", header.file_format_version, header.manifest_size);
diff --git a/src/formats/bdl.rs b/src/formats/bdl.rs
index 2b66f41..7964ce7 100644
--- a/src/formats/bdl.rs
+++ b/src/formats/bdl.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "bdl", detect_func: is_bdl_file, run_func: extract_bdl }
+    Format { name: "bdl", detector_func: is_bdl_file, extractor_func: extract_bdl }
 }
 
 use std::path::{Path};
@@ -85,7 +85,7 @@ impl PkgEntry {
     }
 }
 
-pub fn is_bdl_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_bdl_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 4)?;
     if header == b"ibdl" {
         Ok(Some(Box::new(())))
@@ -94,7 +94,7 @@ pub fn is_bdl_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box
     }
 }
 
-pub fn extract_bdl(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_bdl(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: BdlHeader = file.read_le()?;
 
diff --git a/src/formats/epk.rs b/src/formats/epk.rs
index eb5eacf..5ca3dfd 100644
--- a/src/formats/epk.rs
+++ b/src/formats/epk.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "epk", detect_func: is_epk_file, run_func: extract_epk }
+    Format { name: "epk", detector_func: is_epk_file, extractor_func: extract_epk }
 }
 
 use crate::utils::common;
@@ -11,7 +11,7 @@ pub struct EpkContext {
     epk_version: u8,
 }
 
-pub fn is_epk_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_epk_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let versions = common::read_file(app_ctx.file, 1712, 36)?;
 
     if let Some(epk_version) = check_epk_version(&versions) {
@@ -50,7 +50,7 @@ fn match_with_pattern(data: &[u8], pattern: &str) -> bool {
     true
 }
 
-pub fn extract_epk(app_ctx: &ProgramContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_epk(app_ctx: &AppContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let ctx = ctx.and_then(|c| c.downcast::<EpkContext>().ok()).ok_or("Context is invalid or missing!")?;
 
     let versions = common::read_file(app_ctx.file, 1712, 36)?;
diff --git a/src/formats/epk1.rs b/src/formats/epk1.rs
index 9422ad4..74f2240 100644
--- a/src/formats/epk1.rs
+++ b/src/formats/epk1.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "epk1", detect_func: is_epk1_file, run_func: extract_epk1 }
+    Format { name: "epk1", detector_func: is_epk1_file, extractor_func: extract_epk1 }
 }
 
 use std::path::{Path};
@@ -40,7 +40,7 @@ struct Pak {
     size : u32,
 }
 
-pub fn is_epk1_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_epk1_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let epk2_magic = common::read_file(app_ctx.file, 12, 4)?; //for epk2b
     let epak_magic = common::read_file(app_ctx.file, 0, 4)?;
     if epak_magic == b"epak" && epk2_magic != b"EPK2" {
@@ -50,7 +50,7 @@ pub fn is_epk1_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Bo
     }
 }
 
-pub fn extract_epk1(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_epk1(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     //check type of epk1
     let epk1_type;
diff --git a/src/formats/epk2.rs b/src/formats/epk2.rs
index 8194474..7a05c27 100644
--- a/src/formats/epk2.rs
+++ b/src/formats/epk2.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "epk2", detect_func: is_epk2_file, run_func: extract_epk2 }
+    Format { name: "epk2", detector_func: is_epk2_file, extractor_func: extract_epk2 }
 }
 
 use std::fs::{self, OpenOptions};
@@ -71,7 +71,7 @@ struct Pak {
     name: String,
 }
 
-pub fn is_epk2_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_epk2_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 128, 4)?;
     if header == b"epak" {
         Ok(Some(Box::new(())))
@@ -80,7 +80,7 @@ pub fn is_epk2_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Bo
     }
 }
 
-pub fn extract_epk2(app_ctx: &ProgramContext, _: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_epk2(app_ctx: &AppContext, _: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let _header_signature = common::read_exact(&mut file, SIGNATURE_SIZE as usize)?;
 
diff --git a/src/formats/epk2b.rs b/src/formats/epk2b.rs
index 59ee06b..e972e82 100644
--- a/src/formats/epk2b.rs
+++ b/src/formats/epk2b.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "epk2b", detect_func: is_epk2b_file, run_func: extract_epk2b }
+    Format { name: "epk2b", detector_func: is_epk2b_file, extractor_func: extract_epk2b }
 }
 
 use std::path::{Path};
@@ -56,7 +56,7 @@ struct Pak {
     size : u32,
 }
 
-pub fn is_epk2b_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_epk2b_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let epk2_magic = common::read_file(app_ctx.file, 12, 4)?;
     let epak_magic = common::read_file(app_ctx.file, 0, 4)?;
     if epak_magic == b"epak" && epk2_magic == b"EPK2" {
@@ -66,7 +66,7 @@ pub fn is_epk2b_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, B
     }
 }
 
-pub fn extract_epk2b(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_epk2b(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: EpkHeader = file.read_le()?;
 
diff --git a/src/formats/epk3.rs b/src/formats/epk3.rs
index 58488a6..4b0e489 100644
--- a/src/formats/epk3.rs
+++ b/src/formats/epk3.rs
@@ -1,5 +1,8 @@
 use std::any::Any;
-use crate::{ProgramContext};
+use crate::{AppContext, formats::Format};
+pub fn format() -> Format {
+    Format { name: "epk3", detector_func: is_epk3_file, extractor_func: extract_epk3 }
+}
 
 use std::fs::{self, OpenOptions};
 use std::path::{Path};
@@ -73,7 +76,11 @@ impl PkgInfoEntry {
     }
 }
 
-pub fn extract_epk3(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn is_epk3_file(_app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+    Ok(None)
+}
+
+pub fn extract_epk3(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     file.seek(SeekFrom::Start(0))?;
     let stored_header = common::read_exact(&mut file, 1712)?;
diff --git a/src/formats/funai_upg.rs b/src/formats/funai_upg.rs
index d9a5dac..57d73a2 100644
--- a/src/formats/funai_upg.rs
+++ b/src/formats/funai_upg.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "funai_upg", detect_func: is_funai_upg_file, run_func: extract_funai_upg }
+    Format { name: "funai_upg", detector_func: is_funai_upg_file, extractor_func: extract_funai_upg }
 }
 
 use std::path::Path;
@@ -25,7 +25,7 @@ struct Entry {
     _unk: u16,
 }
 
-pub fn is_funai_upg_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_funai_upg_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 6)?;
     if header == b"UPG\x00\x00\x00" {
         Ok(Some(Box::new(())))
@@ -34,7 +34,7 @@ pub fn is_funai_upg_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>
     }
 }
 
-pub fn extract_funai_upg(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_funai_upg(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: Header = file.read_le()?;
     println!("File info:\nFile size: {}\nEntry count: {}", header.file_size, header.entry_count);
diff --git a/src/formats/invincible_image.rs b/src/formats/invincible_image.rs
index 9534962..5e8caea 100644
--- a/src/formats/invincible_image.rs
+++ b/src/formats/invincible_image.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "invincible_image", detect_func: is_invincible_image_file, run_func: extract_invincible_image }
+    Format { name: "invincible_image", detector_func: is_invincible_image_file, extractor_func: extract_invincible_image }
 }
 
 use std::path::{Path};
@@ -62,7 +62,7 @@ impl Entry {
     }
 }
 
-pub fn is_invincible_image_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_invincible_image_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 16)?;
     if header == b"INVINCIBLE_IMAGE" {
         Ok(Some(Box::new(())))
@@ -71,7 +71,7 @@ pub fn is_invincible_image_file(app_ctx: &ProgramContext) -> Result<Option<Box<d
     }
 }
 
-pub fn extract_invincible_image(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_invincible_image(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: Header = file.read_le()?;
 
diff --git a/src/formats/msd10.rs b/src/formats/msd10.rs
index 7c7fefa..59e522c 100644
--- a/src/formats/msd10.rs
+++ b/src/formats/msd10.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "msd10", detect_func: is_msd10_file, run_func: extract_msd10 }
+    Format { name: "msd10", detector_func: is_msd10_file, extractor_func: extract_msd10 }
 }
 
 use std::fs::{self, OpenOptions};
@@ -47,7 +47,7 @@ struct Section {
     size: u32,
 }
 
-pub fn is_msd10_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_msd10_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 6)?;
     if header == b"MSDU10" {
         Ok(Some(Box::new(())))
@@ -56,7 +56,7 @@ pub fn is_msd10_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, B
     }
 }
 
-pub fn extract_msd10(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_msd10(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: FileHeader = file.read_le()?;
     println!("\nNumber of sections: {}", header.section_count);
diff --git a/src/formats/msd11.rs b/src/formats/msd11.rs
index 38b058e..9a1aa6d 100644
--- a/src/formats/msd11.rs
+++ b/src/formats/msd11.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "msd11", detect_func: is_msd11_file, run_func: extract_msd11 }
+    Format { name: "msd11", detector_func: is_msd11_file, extractor_func: extract_msd11 }
 }
 
 use std::fs::{self, OpenOptions};
@@ -48,7 +48,7 @@ struct Section {
     size: u64,
 }
 
-pub fn is_msd11_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_msd11_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 6)?;
     if header == b"MSDU11" {
         Ok(Some(Box::new(())))
@@ -57,7 +57,7 @@ pub fn is_msd11_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, B
     }
 }
 
-pub fn extract_msd11(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_msd11(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: FileHeader = file.read_le()?;
     println!("\nNumber of sections: {}", header.section_count);
diff --git a/src/formats/mstar.rs b/src/formats/mstar.rs
index e02852d..1579979 100644
--- a/src/formats/mstar.rs
+++ b/src/formats/mstar.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "mstar", detect_func: is_mstar_file, run_func: extract_mstar }
+    Format { name: "mstar", detector_func: is_mstar_file, extractor_func: extract_mstar }
 }
 
 use std::fs::{self, OpenOptions};
@@ -13,7 +13,7 @@ use crate::utils::compression::{decompress_lzma, decompress_lz4};
 use crate::utils::lzop::{unlzop_to_file};
 use crate::utils::sparse::{unsparse_to_file};
 
-pub fn is_mstar_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_mstar_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 32768)?;
     let header_string = String::from_utf8_lossy(&header);
 
@@ -32,7 +32,7 @@ fn parse_number(s: &str) -> Option<u64> {
     }
 }
 
-pub fn extract_mstar(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_mstar(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let file = app_ctx.file;
 
     let mut script = common::read_file(&file, 0, 32768)?;
diff --git a/src/formats/mtk_bdp.rs b/src/formats/mtk_bdp.rs
index 6e782c7..e410dd2 100644
--- a/src/formats/mtk_bdp.rs
+++ b/src/formats/mtk_bdp.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "mtk_bdp", detect_func: is_mtk_bdp_file, run_func: extract_mtk_bdp }
+    Format { name: "mtk_bdp", detector_func: is_mtk_bdp_file, extractor_func: extract_mtk_bdp }
 }
 
 use std::path::{Path};
@@ -77,7 +77,7 @@ fn find_bytes(data: &[u8], pattern: &[u8]) -> Option<usize> {
     data.windows(pattern.len()).position(|window| window == pattern)
 }
 
-pub fn is_mtk_bdp_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_mtk_bdp_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let file_size = file.metadata()?.len();
     let mut data = Vec::new();
@@ -95,7 +95,7 @@ pub fn is_mtk_bdp_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>,
     }
 }
 
-pub fn extract_mtk_bdp(app_ctx: &ProgramContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_mtk_bdp(app_ctx: &AppContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let ctx = ctx.and_then(|c: Box<dyn Any>| c.downcast::<MtkBdpContext>().ok()).ok_or("Context is invalid or missing!")?;
     let offset = ctx.pitit_offset;
diff --git a/src/formats/mtk_pkg.rs b/src/formats/mtk_pkg.rs
index abd35ca..262330f 100644
--- a/src/formats/mtk_pkg.rs
+++ b/src/formats/mtk_pkg.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "mtk_pkg", detect_func: is_mtk_pkg_file, run_func: extract_mtk_pkg }
+    Format { name: "mtk_pkg", detector_func: is_mtk_pkg_file, extractor_func: extract_mtk_pkg }
 }
 
 use std::path::Path;
@@ -81,7 +81,7 @@ static HEADER_KEY: [u8; 16] = [
 
 static HEADER_IV: [u8; 16] = [0x00; 16];
 
-pub fn is_mtk_pkg_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_mtk_pkg_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let mut encrypted_header = common::read_file(app_ctx.file, 0, HEADER_SIZE)?;
     let mut header = decrypt_aes128_cbc_nopad(&encrypted_header, &HEADER_KEY, &HEADER_IV)?;
     if &header[4..12] == MTK_HEADER_MAGIC {
@@ -99,7 +99,7 @@ pub fn is_mtk_pkg_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>,
     }
 }
 
-pub fn extract_mtk_pkg(app_ctx: &ProgramContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_mtk_pkg(app_ctx: &AppContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let ctx = ctx.and_then(|c: Box<dyn Any>| c.downcast::<MtkPkgContext>().ok()).ok_or("Context is invalid or missing!")?;
 
diff --git a/src/formats/mtk_pkg_new.rs b/src/formats/mtk_pkg_new.rs
index 0cce9e1..72b3db5 100644
--- a/src/formats/mtk_pkg_new.rs
+++ b/src/formats/mtk_pkg_new.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "mtk_pkg_new", detect_func: is_mtk_pkg_new_file, run_func: extract_mtk_pkg_new }
+    Format { name: "mtk_pkg_new", detector_func: is_mtk_pkg_new_file, extractor_func: extract_mtk_pkg_new }
 }
 
 use std::path::Path;
@@ -70,7 +70,7 @@ impl PartEntry {
 
 static HEADER_SIZE: usize = 0x170;
 
-pub fn is_mtk_pkg_new_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_mtk_pkg_new_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let encrypted_header = common::read_file(app_ctx.file, 0, HEADER_SIZE)?;
     for (key_hex, iv_hex, name) in keys::MTK_PKG_CUST {
         let key_array: [u8; 16] = hex::decode(key_hex)?.as_slice().try_into()?;
@@ -90,7 +90,7 @@ pub fn is_mtk_pkg_new_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn An
     Ok(None)
 }
 
-pub fn extract_mtk_pkg_new(app_ctx: &ProgramContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_mtk_pkg_new(app_ctx: &AppContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let ctx = ctx.and_then(|c: Box<dyn Any>| c.downcast::<MtkPkgNewContext>().ok()).ok_or("Context is invalid or missing!")?;
     let file_size = file.metadata()?.len();
diff --git a/src/formats/mtk_pkg_old.rs b/src/formats/mtk_pkg_old.rs
index 9af4b11..ae4faa7 100644
--- a/src/formats/mtk_pkg_old.rs
+++ b/src/formats/mtk_pkg_old.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "mtk_pkg_old", detect_func: is_mtk_pkg_old_file, run_func: extract_mtk_pkg_old }
+    Format { name: "mtk_pkg_old", detector_func: is_mtk_pkg_old_file, extractor_func: extract_mtk_pkg_old }
 }
 
 use std::path::Path;
@@ -63,7 +63,7 @@ impl PartEntry {
 
 static HEADER_SIZE: usize = 0x98;
 
-pub fn is_mtk_pkg_old_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_mtk_pkg_old_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let encrypted_header = common::read_file(&file, 0, HEADER_SIZE)?;
     let header = decrypt(&encrypted_header, KEY, Some(HEADER_XOR_MASK));
@@ -82,7 +82,7 @@ pub fn is_mtk_pkg_old_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn An
     }
 }
 
-pub fn extract_mtk_pkg_old(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_mtk_pkg_old(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let file_size = file.metadata()?.len();
     let encrypted_header = common::read_exact(&mut file, HEADER_SIZE)?;
diff --git a/src/formats/novatek.rs b/src/formats/novatek.rs
index d1c721c..e9194db 100644
--- a/src/formats/novatek.rs
+++ b/src/formats/novatek.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "novatek", detect_func: is_novatek_file, run_func: extract_novatek }
+    Format { name: "novatek", detector_func: is_novatek_file, extractor_func: extract_novatek }
 }
 
 use std::path::Path;
@@ -40,7 +40,7 @@ struct PartEntry {
     #[br(count = 16)] _md5_checksum: Vec<u8>,
 }
 
-pub fn is_novatek_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_novatek_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 4)?;
     if header == b"NFWB" {
         Ok(Some(Box::new(())))
@@ -49,7 +49,7 @@ pub fn is_novatek_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>,
     }
 }
 
-pub fn extract_novatek(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_novatek(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: Header = file.read_le()?;
 
diff --git a/src/formats/nvt_timg.rs b/src/formats/nvt_timg.rs
index 1eafb5c..2ceb071 100644
--- a/src/formats/nvt_timg.rs
+++ b/src/formats/nvt_timg.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "nvt_timg", detect_func: is_nvt_timg_file, run_func: extract_nvt_timg }
+    Format { name: "nvt_timg", detector_func: is_nvt_timg_file, extractor_func: extract_nvt_timg }
 }
 
 use std::path::{Path};
@@ -49,7 +49,7 @@ impl PIMG {
     }
 }
 
-pub fn is_nvt_timg_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_nvt_timg_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 4)?;
     if header == b"TIMG" {
         Ok(Some(Box::new(())))
@@ -58,7 +58,7 @@ pub fn is_nvt_timg_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>
     }
 }
 
-pub fn extract_nvt_timg(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_nvt_timg(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let file_size = file.metadata()?.len();
     let timg: TIMG = file.read_le()?;
diff --git a/src/formats/pana_dvd.rs b/src/formats/pana_dvd.rs
index 3f23230..ef73e80 100644
--- a/src/formats/pana_dvd.rs
+++ b/src/formats/pana_dvd.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "pana_dvd", detect_func: is_pana_dvd_file, run_func: extract_pana_dvd }
+    Format { name: "pana_dvd", detector_func: is_pana_dvd_file, extractor_func: extract_pana_dvd }
 }
 
 use std::path::{Path, PathBuf};
@@ -149,7 +149,7 @@ pub fn find_aes_key_pair<'a>(key_array: &'a [(&'a str, &'a str, &'a str)], data:
     Ok(None)
 }
 
-pub fn is_pana_dvd_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_pana_dvd_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 64)?;
     if let Some(matching_key) = find_key(&keys::PANA_DVD_KEYONLY, &header, b"PROG", 0)? {
         Ok(Some(Box::new(PanaDvdContext {
@@ -180,7 +180,7 @@ pub fn is_pana_dvd_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>
     }
 }
 
-pub fn extract_pana_dvd(app_ctx: &ProgramContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_pana_dvd(app_ctx: &AppContext, ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let context = ctx.and_then(|c: Box<dyn Any>| c.downcast::<PanaDvdContext>().ok()).ok_or("Context is invalid or missing!")?;
 
diff --git a/src/formats/pfl_upg.rs b/src/formats/pfl_upg.rs
index ad1f85e..def64c2 100644
--- a/src/formats/pfl_upg.rs
+++ b/src/formats/pfl_upg.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "pfl_upg", detect_func: is_pfl_upg_file, run_func: extract_pfl_upg }
+    Format { name: "pfl_upg", detector_func: is_pfl_upg_file, extractor_func: extract_pfl_upg }
 }
 
 use rsa::{RsaPublicKey, BigUint};
@@ -48,7 +48,7 @@ impl FileHeader {
     }
 }
 
-pub fn is_pfl_upg_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_pfl_upg_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 8)?;
     if header == b"2SWU3TXV" {
         Ok(Some(Box::new(())))
@@ -89,7 +89,7 @@ fn decrypt_aes256_ecb(key: &[u8], ciphertext: &[u8]) -> Result<Vec<u8>, Box<dyn
     Ok(buffer)
 }
 
-pub fn extract_pfl_upg(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_pfl_upg(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: Header = file.read_le()?; 
     let signature = common::read_exact(&mut file, 128)?;
diff --git a/src/formats/pup.rs b/src/formats/pup.rs
index 9dd86f1..cdd25e3 100644
--- a/src/formats/pup.rs
+++ b/src/formats/pup.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "pup", detect_func: is_pup_file, run_func: extract_pup }
+    Format { name: "pup", detector_func: is_pup_file, extractor_func: extract_pup }
 }
 
 use std::path::{Path};
@@ -56,7 +56,7 @@ struct BlockEntry {
     size: u32,
 }
 
-pub fn is_pup_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_pup_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 4)?;
     if header == b"\x4F\x15\x3D\x1D" || header == b"\x54\x14\xF5\xEE" { //ps4, ps5
         Ok(Some(Box::new(())))
@@ -65,7 +65,7 @@ pub fn is_pup_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box
     }
 }
 
-pub fn extract_pup(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_pup(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: Header = file.read_le()?;
 
diff --git a/src/formats/roku.rs b/src/formats/roku.rs
index ede6644..2b60ed0 100644
--- a/src/formats/roku.rs
+++ b/src/formats/roku.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "roku", detect_func: is_roku_file, run_func: extract_roku }
+    Format { name: "roku", detector_func: is_roku_file, extractor_func: extract_roku }
 }
 
 use std::fs::{self, OpenOptions};
@@ -61,7 +61,7 @@ impl ImageHeader {
     }
 }
 
-pub fn is_roku_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_roku_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 32)?;
     let try_decrypt_header = decrypt_aes128_cbc_nopad(&header, &FILE_KEY, &FILE_IV)?;
 
@@ -72,7 +72,7 @@ pub fn is_roku_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Bo
     }
 }
 
-pub fn extract_roku(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_roku(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let mut encrypted_data = Vec::new();
     file.read_to_end(&mut encrypted_data)?;
diff --git a/src/formats/ruf.rs b/src/formats/ruf.rs
index cb235e5..b76a4b0 100644
--- a/src/formats/ruf.rs
+++ b/src/formats/ruf.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "ruf", detect_func: is_ruf_file, run_func: extract_ruf }
+    Format { name: "ruf", detector_func: is_ruf_file, extractor_func: extract_ruf }
 }
 
 use std::path::{Path};
@@ -75,7 +75,7 @@ impl RufEntry {
     }
 }
 
-pub fn is_ruf_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_ruf_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 6)?;
     if header == b"RUF\x00\x00\x00" {
         Ok(Some(Box::new(())))
@@ -84,7 +84,7 @@ pub fn is_ruf_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box
     }
 }
 
-pub fn extract_ruf(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_ruf(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: RufHeader = file.read_be()?;
     if header.is_dual_ruf() {
diff --git a/src/formats/rvp.rs b/src/formats/rvp.rs
index f91abe0..e05e63c 100644
--- a/src/formats/rvp.rs
+++ b/src/formats/rvp.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "rvp", detect_func: is_rvp_file, run_func: extract_rvp }
+    Format { name: "rvp", detector_func: is_rvp_file, extractor_func: extract_rvp }
 }
 
 use std::path::Path;
@@ -18,7 +18,7 @@ fn decrypt_xor(data: &[u8]) -> Vec<u8> {
         .collect()
 }
 
-pub fn is_rvp_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_rvp_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     //MVP
     let header = common::read_file(file, 0, 4)?;
@@ -39,7 +39,7 @@ pub fn is_rvp_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box
     Ok(Some(Box::new(())))
 }
 
-pub fn extract_rvp(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_rvp(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let mut obf_data = Vec::new();  //we sadly cannot deXOR on the fly because of its 32 byte pattern
     file.read_to_end(&mut obf_data)?;
diff --git a/src/formats/sddl_sec.rs b/src/formats/sddl_sec.rs
index 180c58b..4a8719f 100644
--- a/src/formats/sddl_sec.rs
+++ b/src/formats/sddl_sec.rs
@@ -1,8 +1,8 @@
 //sddl_dec 5.0
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "sddl_sec", detect_func: is_sddl_sec_file, run_func: extract_sddl_sec }
+    Format { name: "sddl_sec", detector_func: is_sddl_sec_file, extractor_func: extract_sddl_sec }
 }
 
 use std::path::{Path, PathBuf};
@@ -103,7 +103,7 @@ static DEC_IV: [u8; 16] = [
     0xCD, 0x88, 0x38, 0xC4, 0xB9, 0x0C, 0x76, 0x66,
 ];
 
-pub fn is_sddl_sec_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_sddl_sec_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 32)?;
     let deciph_header = decipher(&header);
     if deciph_header.starts_with(b"\x11\x22\x33\x44") {
@@ -155,7 +155,7 @@ fn decipher(s: &[u8]) -> Vec<u8> {
     out
 }
 
-pub fn extract_sddl_sec(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_sddl_sec(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let mut hdr_reader = Cursor::new(decipher(&common::read_exact(&mut file, 32)?));
     let hdr: SddlSecHeader = hdr_reader.read_be()?;
diff --git a/src/formats/slp.rs b/src/formats/slp.rs
index de1aff5..f5940ae 100644
--- a/src/formats/slp.rs
+++ b/src/formats/slp.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "slp", detect_func: is_slp_file, run_func: extract_slp }
+    Format { name: "slp", detector_func: is_slp_file, extractor_func: extract_slp }
 }
 
 use std::path::{Path};
@@ -52,7 +52,7 @@ struct EntryNew {
     #[br(count = 12)] _unk2: Vec<u8>,
 }
 
-pub fn is_slp_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_slp_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 4)?;
     if header == b"SLP\x00" {
         Ok(Some(Box::new(())))
@@ -61,7 +61,7 @@ pub fn is_slp_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box
     }
 }
 
-pub fn extract_slp(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_slp(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let header: Header = file.read_le()?;
 
diff --git a/src/formats/sony_bdp.rs b/src/formats/sony_bdp.rs
index 22fcbde..61ce0aa 100644
--- a/src/formats/sony_bdp.rs
+++ b/src/formats/sony_bdp.rs
@@ -1,7 +1,7 @@
 use std::any::Any;
-use crate::{ProgramContext, formats::Format};
+use crate::{AppContext, formats::Format};
 pub fn format() -> Format {
-    Format { name: "sony_bdp", detect_func: is_sony_bdp_file, run_func: extract_sony_bdp }
+    Format { name: "sony_bdp", detector_func: is_sony_bdp_file, extractor_func: extract_sony_bdp }
 }
 
 use std::fs::File;
@@ -63,7 +63,7 @@ struct Entry {
     size: u32,
 }
 
-pub fn is_sony_bdp_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
+pub fn is_sony_bdp_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>, Box<dyn std::error::Error>> {
     let header = common::read_file(app_ctx.file, 0, 4)?;
     if header == b"\x01\x73\xEC\xC9" || header == b"\x01\x73\xEC\x1F" || header == b"\xEC\x7D\xB0\xB0" { //MSB1x, MSB0x, BDPPxx
         Ok(Some(Box::new(())))
@@ -72,7 +72,7 @@ pub fn is_sony_bdp_file(app_ctx: &ProgramContext) -> Result<Option<Box<dyn Any>>
     }
 }
 
-pub fn extract_sony_bdp(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn extract_sony_bdp(app_ctx: &AppContext, _ctx: Option<Box<dyn Any>>) -> Result<(), Box<dyn std::error::Error>> {
     let mut file = app_ctx.file;
     let obf_header = common::read_exact(&mut file, 300)?;
     let header = hex_substitute(&obf_header);
@@ -120,7 +120,7 @@ pub fn extract_sony_bdp(app_ctx: &ProgramContext, _ctx: Option<Box<dyn Any>>) ->
 
         let last_file = File::open(last_file_path.unwrap())?;
         let mtk_extraction_path = format!("{}/{}", app_ctx.output_dir, i - 1);
-        let ctx: ProgramContext = ProgramContext { file: &last_file, output_dir: &mtk_extraction_path };
+        let ctx: AppContext = AppContext { file: &last_file, output_dir: &mtk_extraction_path };
 
         if let Some(result) = formats::mtk_bdp::is_mtk_bdp_file(&ctx)? {
             println!("- MTK BDP file detected!\n");
diff --git a/src/keys.rs b/src/keys.rs
index af7ab8a..5b5e38f 100644
--- a/src/keys.rs
+++ b/src/keys.rs
@@ -2,16 +2,16 @@
 
 //samsung old keys
 //github.com/george-hopkins/samygo-patcher
-pub static SAMSUNG: &[(&str, &str)] = &[
-    ("T-GA", 	"SHWJUH:85a045ae-2296-484c-b457-ede832fcfbe1-646390a3-105e-40aa-85f6-da3086c70111"),
-    ("T-MST5",	"SHWJUH:eceb2c14-db11-425e-9ebf-5f9607f0eb4b-3c38193e-751e-4719-8884-9e76322c0cec"),
-    ("T-MST10P","b4c136-fbc93576-b3e8-4035-bf4e-ba4cb4ada1ac-f0d81cc4-8301-4832-bd60-f331295743ba"),
-    ("T-VAL", 	"A435HX:d3e90afc-0f09-4054-9bac-350cc8dfc901-7cee72ea-15ae-45ce-b0f5-00001abc2010"),
-    ("T-TDT", 	"A435HX:d3e90afc-0f09-4054-9bac-350cc8dfc901-7cee72ea-15ae-45ce-b0f5-00002abc2010"),
-    ("T-MSX", 	"A435HX:d3e90afc-0f09-4054-9bac-350cc8dfc901-7cee72ea-15ae-45ce-b0f5-00004abc2010"),
-    ("T-CH", 	"A435HX:d3e90afc-0f09-4054-9bac-350cc8dfc901-7cee72ea-15ae-45ce-b0f5-611c4f8d4a71"),
-    ("T-ECP",   "3EF6067262CF0C678598BFF22169D1F1EA57C284"),
-];
+//pub static SAMSUNG: &[(&str, &str)] = &[
+//    ("T-GA", 	"SHWJUH:85a045ae-2296-484c-b457-ede832fcfbe1-646390a3-105e-40aa-85f6-da3086c70111"),
+//    ("T-MST5",	"SHWJUH:eceb2c14-db11-425e-9ebf-5f9607f0eb4b-3c38193e-751e-4719-8884-9e76322c0cec"),
+//    ("T-MST10P","b4c136-fbc93576-b3e8-4035-bf4e-ba4cb4ada1ac-f0d81cc4-8301-4832-bd60-f331295743ba"),
+//    ("T-VAL", 	"A435HX:d3e90afc-0f09-4054-9bac-350cc8dfc901-7cee72ea-15ae-45ce-b0f5-00001abc2010"),
+//    ("T-TDT", 	"A435HX:d3e90afc-0f09-4054-9bac-350cc8dfc901-7cee72ea-15ae-45ce-b0f5-00002abc2010"),
+//    ("T-MSX", 	"A435HX:d3e90afc-0f09-4054-9bac-350cc8dfc901-7cee72ea-15ae-45ce-b0f5-00004abc2010"),
+//    ("T-CH", 	"A435HX:d3e90afc-0f09-4054-9bac-350cc8dfc901-7cee72ea-15ae-45ce-b0f5-611c4f8d4a71"),
+//    ("T-ECP",   "3EF6067262CF0C678598BFF22169D1F1EA57C284"),
+//];
 
 //MSD10 keys
 //fw prefix, type, key
diff --git a/src/main.rs b/src/main.rs
index b7cb468..a0a6771 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,7 +14,7 @@ struct Args {
     output_folder: Option<String>,
 }
 
-pub struct ProgramContext<'a> {
+pub struct AppContext<'a> {
     pub file: &'a std::fs::File,
     pub output_dir: &'a str,
 }
@@ -47,13 +47,13 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     }
 
     let file = File::open(path)?;
-    let program_context: ProgramContext = ProgramContext { file: &file, output_dir: &output_path };  
+    let app_ctx: AppContext = AppContext { file: &file, output_dir: &output_path };  
     let formats: Vec<Format> = get_registry();
 
     for format in formats {
-        if let Some(ctx) = (format.detect_func)(&program_context)? {
+        if let Some(ctx) = (format.detector_func)(&app_ctx)? {
             println!("{} detected!", format.name);
-            (format.run_func)(&program_context, Some(ctx))?;
+            (format.extractor_func)(&app_ctx, Some(ctx))?;
             return Ok(());
         }
     }