MESS is an acronym for Multiple Emulator Super System. MESS is an emulator for many game console and computer systems, based on the MAME core.

The latest version of gp2xmess (v0.11) is based on xmess v0.102.

03/20/07 – 0.11
* Got my gp2x back with a D-Pad mod. I’m kinda psyched.
* Added keypad support for ColecoVision via virtual keyboard.
* gp2x/gp2x_sysdep_keyb.c, gp2x/gp2x_sysdep_keyb.h, gp2x/gp2x.c, cfg/coleco.cfg has been removed!