More info here.
There is also a demo video here. (mp4 video file)
Interesting idea but I doubt it's that practical for average people. Too bad it's hard to type on mobile phones and the older you are, the less likely you'll use it. But I guess the whole thing is much about combining new technology, so they might be aiming directly to young audience anyway(?) (but for arts? :P )
via: Scripting News