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

Sega Master System/Game Gear emulator for Android has been updated. Changes:
- Added cheats for 50 GameGear games.
- Fixed default settings initialization.
- Removed unused and outdated code, resources and bitmaps.
- Added Dragon Crystal and two Phatntasy Star games to the Cheatopedia.
- Added Ninja Gaiden and two Shinobi games to the Cheatopedia.
- Added Megaman and two Wonder Boy games to the Cheatopedia.
- Added Alien Syndrome and Desert Strike to the Cheatopedia.
- Added five Sonic The Hedgehog games to the Cheatopedia.
- Added Ecco and Lemmings to the Cheatopedia.
News source: https://play.google.com