[mac2612] has developed a custom retroarch-based firmware for the Leapster GS and LeapPad2 ... you can always return the LeapFrog to its default state if anything gets wiggy by reflashing ...
it looks like Toys R Us will be selling the Leapfrog LeapsterGS for $30 on Black Friday ... it done with the Leapfrog DIDJ and the Leapfrog Explorer. Those consoles, however, had rather anemic ...