on rogero 4.30 v2 the SNES emulator who really works is the https://rapidshare.com/#!download|80....pkg|20386|0|0
the others, opens, but don't load the roms (games)
Now i m trying to find emulator for Genesis, mega drive..
edit: lol now i saw the above!
"Retroarch 0.9.8 Beta 3 (3.55/4.x)
Genesis Plus GX (standalone emulator from Retroarch 0.9.8 b3 with 2 players support)"
i will try it later