iMAME4all is a iOS universal app done by David Valdeita (Seleuco), port of MAME 0.37b5 emulator by Nicola Salmoria & TEAM for all jailbroken iOS devices (iPad HD, iPhone 4G , iPod touch and older) and it is based on GP2X, WIZ MAME4ALL 2.5 by Franxis.

iMAME4all v1.10: added ROM favorites (use SELECT/COIN to select) ROM filtering by category, manufacturer, clones and year, also displays year and manufacturer in game selection screen.

http://code.google.com/p/imame4all/