Enough interesting concept smartphone Smart Cast was presented at the conference Lenovo Tech World, held in Beijing. The company Lenovo decided to equip a smartphone the laser projector and the Projection the Keyboard. To do this, invented the elegant engineering solution – turning mechanism with a system of mirrors, projecting the image on any flat surface, and folding legs in the form of the camera strap. All together it possible to turn to the screen a surface of the table and make it not only as keyboard. The camera in conjunction with the projector allows you to track the movement of the user’s fingers on the surface and react to them. Thus, it is possible not only to type, but also to play a game. Of course, there is a lot of questions about the autonomy of the system, but the idea is still the great.