ROMlaunch for Mac OS X consists of a series of unobtrusive emulator frontends providing file type associations between these select few emulators and their respective games:
- ROMlaunch SCUMM associates bitmap graphic adventure games with ScummVM.
- ROMlaunch MAME associates arcade games with MAME OS X.
- ROMlaunch JAG associates Atari Jaguar games with Virtual Jaguar.
- ROMlaunch J2ME associates Java mobile games with mpowerplayer.