The G3 is the middle child of Android superphones. The 5.5-inch G3 is the first global smartphone to feature a Quad HD display and its camera is the first to use a laser autofocus system. As such, the G3 is a hugely practical device with a pair of features that threaten to be more than mere gimmicks. Before any sketches of the G3 were even committed to paper, LG had settled on its one key specification.