APK Shell Decompiler helps to decompile APK files for Android developers. It works using apktool.jar, dex2jar.bat, jad.exe included in the program.

NDK Shell helps to compile SO files for Android developers.
It workes using ndk-build.cmd in the NDK directory.

APK Loader, loads APK file to AVD simulator or my GALXI s2 phone.
It workes using ADB.exe Android Debug Bridge- ADB.