Based on MAME4ALL (Mame ported to the Dreamcast - ported the GP2X). PSP MAME4all Presently supports over 1200 games. Feature rich and works great. The downloadable archive contains three versions of PSPMAME4all: Firmware 1.00+, Firmware 1.00+ without neogeo and cps1 support, and firmware 2.00+ (works with PSP slim).