Meet the Structure Sensor: a 3D sensor that lets you 3D scan objects and map your home on your tablet. Just clip it to your iPad, and you will be able to capture full-color 3D scans of objects. It also lets you capture every measurement in a room. Want to play augmented reality games with it? No problem.
The Structure Sensor allows you to play interactive games on your smart devices. It is developer friendly and offers compatibility with Windows, Linux, Android, and OS X via OpenNI. More information is available here.