Samsung announced a brand new 7″ Android tablet, dubbed Galaxy Tab 3 7.0. It brings the now familiar S4 styling (just like its 8″ cousin) and comes in Wi-Fi and 3G versions, with the 3G one being fully voice call capable. It even adds a proximity sensor, you know, if you want to put up the tablet up to your head. The Samsung Galaxy Tab 3 7.0 is also noticeably more compact and lighter (188.0...