He doesn't have a chain connecting the pedals to the rear tire so its not really functional. Check out the video - he never pedals, and when he folds it you can see there is no chain.

You can't have a joint that changes the geometry between the rear hub and the pedals. On this bike there is a hinge and they end up being next to each other. On current folding bikes the hinge is forward of the pedals - the locking mechanism is usually the weak point, spend time improving that.