The image on his screen looks a little canny, like it was added in post. Maybe not.
Also... It looks like he's mostly actually working the thing by manipulating his head and facial muscles (watch his eyebrows raise and lower, his jaw clench, etc.). That's okay I suppose, because it's probably best to have some sort of action or something in mind when you calibrate it for a specific button press. All the same, way too gimmicky for me, but you gotta start somewhere. It's not hard to imagine the technology improving over the coming years and decades to the point where you perform complex and precise actions with it.