Gregg here.

I've developed the software for out project.

BTW. All the software is on my GitHub and it's Open Source. Maybe it'll help someone! (I hope so :) ).

I've used python with openCV and PyQT library to design main application, which consists of image recognition, gameplay and GUI:

For the hardware we've used LabVIEW (with NXT toolkit). 

Python and LabVIEW communicates via TCP.

The basic dataflow: