America's second largest mobile carrier AT&T Tuesday unveiled its first tablet, Trek HD that runs on Android Lollipop. Powered by a 1.5GHz Qualcomm Snapdragon 400 processor, the tablet sports an 8-inch Full HD display (1,280x800), 5MP rear camera, 2MP front camera and 16GB internal storage. The device will hit the stores on May 15 at $49.99 with a two-year contract.