[mac2612] has developed a custom retroarch-based firmware for the Leapster ... but some PS1 games have even run successfully on the device. If you’d like to see some other LeapFrog hacks ...

it looks like Toys R Us will be selling the Leapfrog LeapsterGS for $30 on Black ... it seems, and the Leapster GS is powerful enough to play all those Nintendo, Game Boy and even MAME games.