xMAME is a UNIX version of MAME optimized for the GCW-Zero handheld. The main goal of XMAME is to provide an updated version (actually versions) of MAME which was something other than the ubiquitous MAME4ALL. GCW-Zero port by Slaanesh. Read more about xMAME v1.0 (Multiple Arcade emu for GCWZ)