|Solar-Powered Nintendo Emulator Handheld($123). This is a solar-powered MP4 player. It's also, however, a solar-powered Nintendo emulator, what with its ability to play NES, Famicom, Game Boy and Game Boy Colour games. It built-in a SD slot for up to 2GB more, as a mp4 player it can play the MP3, WMA, AMR, WAV, ADPCM, PCM music and MP4 (converted to AVI). It has 2 solar panels with USB OUT, via the USB port it can recharge your mobile or other 4.5V, 5V, 6.3V, 9V devices. It features included a 3.5 color display, a voice recorder, and even a built-in LED flashlight. A cool game kit!