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

Sega Master System/Game Gear emulator for Android has been updated. Changes:
- Fixed recognition of multiple file extensions.
- Added 26 more games to the Cheatopedia.
- Added five Sonic games to the Cheatopedia.
- Added three Outrun games to the Cheatopedia.
- Added Phantasy Star cheats to the Cheatopedia.
- Added Prince of Persia cheats to the Cheatopedia.
News source: https://play.google.com