The Samsung Galaxy S3 ( GT-i9300 ), Designed for Human and Inspired by Nature is an Android Smartphone designed by Samsung and the successor to the Samsung Galaxy S2. Like its Predecessor, the S3 is Touchscreen Based, Slate Sized Smartphone, with a significant addition of Software Features, Expanded Hardware, and a Redesigned Physique. In particular, it has an Intelligent Personal Assistant (S Voice), Eye-Tracking Capability, Wireless Charging, and Expanded Storage. The 4.8-inch ( 120 mm ) Smartphone is powered by a 1.4 GHz Quad- Core Processor.