In the Annals of Do Want, this Asteroids-playing wristwatch will have its own chapter, lovingly illuminated, with the esoteric secrets of vectorbeam technology encoded in the fibers of the pages themselves.
It's the latest from John Maushammer, who originally created the watch to run Pong.
Usually, the computer plays automatically & it keeps time. But, it also has a tilt-sensor so you can aim the ship by moving your wrist around. It's not done yet, but it will have buttons for firing and engine-thrust. Maybe mind control will be next