That is really cool! It looks like the gameboy board is used only for IO, and everything else goes on in the Pi in the cartridge? I think you'd seriously miss

That is really cool! It looks like the gameboy board is used only for IO, and everything else goes on in the Pi in the cartridge? I think you'd seriously miss having four buttons on the face in the console though, I don't know if there are many PlayStation games that would be very playable with only X and O and no square or triangle.