It is not impossible, but very hard. In effect, you want to receive an analog a/v video signal, digitize it, and send it to your portable display. This requires a couple of ICs, a mini PCB, power, etc. Don't forget that audio is a competely different...
that flexdex is a nice mini but you can ride on any mini and its not hard learning for a beginner i actually learned how to ride a mini before i could ride a normal size board
clocks, radios, tv remotes, video game controllers, toys, portable cd players and walkmans, flashlights, portable video game systems, cameras, back massagers, portable fans