For more information on SixthSense software and hardware, see:
http://code.google.com/p/sixthsense/wiki/Software http://code.google.com/p/sixthsense/wiki/Hardware
Detailed documentation is in progress.
http://groups.google.com/group/ss_dev
To get started, there's all kinds of indentation issues in the codebase, fix those so you can get a feel for how all the code is laid out.