Do you know you can control NextSurface from iPad?
NextGesture is a controller app which enables multiple people to interact simultaneously with the same instance of NextSurface from any iOS device.
Using NextGesture you dont need a large and expensive touchscreen to create a shared interactive surface, such like a digital whiteboard or an interactive table or wall.
What is NextSurface?
NextSurface is an application for creating interactive surfaces. NextSurface transforms any screen into a multi-touch and multi-user interface that multiple people can use simultaneously.
For more information visit http://nextbreakpoint.com