Catch the boomerang(for attending 'Intel perceptual computing challenge')

Recently, I'm preparing to enter Intel perceptual computing challenge. One of my ideas is a simple gesture game. It's called 'Catch The Boomerang'. Some brief sketches are below.

Users can throw the boomerang by rotating their wrist. Distance of flying, speed and the count of caught boomerang are displayed on the game screen.

Of course, the thrown boomerang will be returned, so that users should catch the returning boomerang by grasping gesture.

I hope to get an opportunity which can attend next stage.