Controlling real objects

There is a pretty original and breathtaking initiative that lets mobile devices control small electric toys, turning them into an interesting game experience. All this started with remote control car models and helicopters managed through special iOS applications. This was funny, especially for kids, but also pretty traditional. Except the controller that was new, the process itself was the same and did not require any additional video game background. Later, more advanced models such as AR.Drone, the amazing quadricopter by Parrot (http://ardrone2.parrot.com/) appeared. AR.Drone has an onboard camera, and its native iOS application uses live video images along with virtual controls and other onscreen digital information, since it truly adopts itself to the requisites an AR environment. Moreover, developers also let the quadricopter get involved in some gaming activities. There are special applications that use AR to create a virtual game environment. For example...