Update: Seemingly dev kit
Originally Posted by veras
It's a dev kit - at 1:36 you can see a white sticker on the front behind the cable he has pushed up against it (and as previously noted he's using the paper materials to cover other stickers).
Originally Posted by Wario64
You can see he's trying to hide the QR code in front with the wires
Lock if old.
Originally Posted by ReturnOfTheRAT
At the end, the guys says he will have games soon, and will upload gameplay. I doubt his account will stay up though.
Credit goes to @xJumPeR_JumPz for posting it on his Twitter account (not his video)