A modder over on the BenHeck.com forums has created a nice NES controller which has 70 built in games and can be further expanded because it has a standard NES cartridge connector on the back of it.
The controller is built extremely well and even has a glowing Nintendo logo to the top right of the front face. The device however, is not mobile as it does require to be connected to a TV and does need a power source to keep the thing running. A load of great images of the project have been posted over on BenHeck’s forum and it is well worth you checking them out.
Via: SlipperyBrick
wow, this mod is amazing, I cant believe he managed to get that into the NES controller, very cool