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

Nintendo GameBoy/GameBoy Color emulator for Android has been updated. Changes:
- Fixed licensing check problem where app tried checking license on every run.
- Added Castlevania to the Cheatopedia.
- Added Castlevania 2: Belmont's Revenge to the Cheatopedia.
- Added Castlevania Legends to the Cheatopedia.
News source: https://play.google.com