My kid got one of these for Christmas - basically a gameboy lookalike that came with 6 games for about $80. No backlight.
Kinda neat - your joystick thing remended me of it.
http://www.neogeoforlife.com/ngpc/neogeopockethardware.shtml (http://www.neogeoforlife.com/ngpc/neogeopockethardware.shtml)
Sorry about the popups.
very cool..