It is a complete free GameBoy and GameBoy Advance game emulator for Mac OS. Cores - OpenEmu is modular, and thanks to the work of other great open source projects, it can emulate a wide variety of video game systems (we call them 'cores'). Play GameBoy titles on your Mac once you download VisualBoyAdvance for free.
OpenEmu now automatically maps controls for the following recognized devices in our database: You can even create your own 'collections' mix and matched from different consoles. Watch as backups of the games (ROMs) you already own are gracefully added to their appropriate library and box art is magically added. With OpenEmu, it is extremely easy to add, browse, organize and with a compatible gamepad, play those favorite games (ROMs) you already own. For the first time, the 'It just works' philosophy now extends to open source video game emulation on the Mac. OpenEmu is about to change the world of video game emulation, one console at a time.