What are some alternatives?
When comparing RetroX and Mame, you can also consider the following products
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
MESS - Emulates most gaming systems that exist, emphasizing accuracy over speed.
Happy Chick - Happy Chick emulates more than 18 systems all in one APP
higan - higan was formerly known as bsnes. The project was renamed after becoming a multi-system emulator.
Kawaks - Winkawaks Emulator Official Website,Latest version of Winkawaks,Best Neo Geo Emulators,and Neo Geo Game Roms Download, The King of Fighters Download.
Snes9x - Snes9x is a portable, Super Nintendo Entertainment System (SNES) emulator.