Hmm.. Haven't tried the NES emu, but I can play NK's Scumm VM port.
PotA's games doesn't work though. I tried having the "Tetwins" game in the root of the SD but it didn't work anyway. I put the SNES emu in a folder called "Snes2x" and the put the roms in the "roms" folder.
Should I just try to...