A tablet on the wrist, or some such is the slogan. They have a polished CGI demo of what it might work like. They are looking for funders, but so far, the prototype looks a long way from their presented ideal. Still the central idea is fascinating – an Android device with a low angle projector, coming out of a small wrist band on your wrist, that projects onto your wrist, and uses detectors to substitute for touch screen technology.
At least its smaller than a phone, bigger screened than a smart watch. But there are some obvious flaws, such as battery life, perhaps display quality, not being able to wear it in winter, and people with hairy arms!
Here is their website: