Simple SG-1000, Sega Master System and Game Gear Emulator based on PhoenixEmuProject. Supported only standard console controller. Default directory name for ROMs is "Gear", or you may select any other via settings.
IMPORTANT: GearMasterPlayer doesn't include any console software, it must be provided by user.
About 99% games playable. For more info see compatibility list: http://www.arts-union.ru/node/60