Super battery saver and compatible with saved game files from previous version of GemBoy! 1. A GBC game file (ROM file) is necessary to play a game. You can find GBC game files by searching the web 2. This application supports GBC file and ZIP file (compressed GBC file). 3. A 7z file is not supported. 4. Support android 4.0+ (suitable for android 6.0+ and 7.0) 5. Support save and load state, screenshot, In-between press AB, shortcut keys, etc. * Note: - Not support android 8.0 - If the ROM file is on a microSD, save function may be incorrect. Please try move ROM file to Internal Memory. - Cheats do work but you have to change some codes. (The ones that start with 9 should start with 0 instead)