In this video, we quickly demonstrate how a 3D multitouch clock is put together using our Gestureworks Core framework with Unity. It is an overview of the written tutorial found here: http://goo.gl/34fQp.
Gestureworks Core software works with C++, C# .NET, Java, and Python. This multitouch framework has over 300 gestures built in and it supports Windows 7, Windows 8 and TUIO touch events.