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

Nintendo GameBoy/GameBoy Color emulator for Android has been updated. Changes:
- Fixed screen and scaling issues;
- Fixed save crash error on some tablets and devices;
- Enhanced with MOGA controller support;
- Added 6 translations;
- Added Fullscreen mode for compatible phones;
- Custom layouts (settings>input settings>virtual keypad settings>d-pad+buttons);
- Fixed other issues to bring more happy fun time;
- Fixed bug with black screen and no video;
- fixed save log errors for 4.2+;
- fixed loading rom bug;
- fixed looping ad;
- Fixed rom select error.
News source: https://play.google.com