Transform your video-call cam into a joystick [video]

Playing games on your touch-enabled phone can be frustrating if you have small screen device like the iPhone 3.5-inch. But here comes a solution, A research group from Keio University are in development of a joystick add-on that's placed on top of your front-facing camera and can, depending on the precision of your hardware, perform the simple actions of navigating left, right, up and down in apps and games.

The small elastic joystick has markers that your camera can detect and track and give you a "variety of inputs".