OpenFeint seed investor Peter Relan is fed up with his former creation's lack of existence -- the open source software once powered the social integration behind many mobile games.

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Its purchases this year include Slide, which makes social-networking software, and Social Deck, which makes social games for mobile devices.

ECONOMIST: The internet

Apple is the undisputed leader, however, when it comes to mobile applications -- the software programs that let users do everything from play games to track their calorie consumption and everything in between.

CNN: New iPhone 3GS heats up smartphone wars