O2EM A320 is an Odyssey2 / Videopac+ emulator for the Dingoo A320. It’s a port of the O2EM emulator for the Dingoo native OS (no linux installation needed). A text with instructions is included in the archive.

http://dl.openhandhelds.org/cgi-bin/dingoo.cgi?0,0,0,0,5,106