ColEm is one of the best emulator of the ColecoVision videogame system written by Marat Fayzullin. It’s running on FreeBSD, HP-UX, SunOS, Solaris, Linux, and other Unix systems. GP2X-Colem is a port to GP2X of Colem Unix version 1.0.

Changes:

– Improve speed !
– Improve emulation accuracy
– Add MMU hack stuff
– Add option to display frame rate
– New speed limiter function
– Improve volume handler
– Linked with my patched version of SDL
– Bug fix in file requester

http://zx81.zx81.free.fr/serendipity/index.php?/archives/179-GP2X-Colem-Colecovision-emulator-for-GP2X-v1.0.2.html