It's just a tablecloth and a piece of paper, until you pull out a Nexus One, at which point it magically becomes an arena where toy robots fire off punches. Augmented reality isn't anything new, of course, but Qualcomm seems determined to bring it to cell phones in a big way -- launching an AR game studio, sponsoring a $200,000 developer challenge, and announcing a free software development kit (which will see open beta this fall) all on the same day. The company partnered with Mattel to build the Rock 'Em Sock 'Em Robots proof-of-concept you see above usin
