via http://emu-russia.net/en/

GameBoy Advance emulator for Android has been updated. Changes:
- Write in-game saves to MyBoy's save directory (on the primary storage) in case your game's directory is not writable. This fixed the saving issues on certain devices with the new Android update.
- Fixed cheats master code. All cheats should work now!
- Fixed crash editing cheats while the global cheat option is off.
News source: https://play.google.com
News source: https://play.google.com