ZotTTD famous for his GBA, GP2x and iPhone releases got a Dingoo for one purpose only. To get MAME working on it! Good luck!
News source: http://dingoo-scene.blogspot.com/2009/04/zodttd-to-work-on-mame.html
http://a320.freeforums.org/zodttd-here-getting-an-a320-to-place-mame-on-it-t207.html