At the Samsung Unpacked event held few hours back at Radio City Music Hall in New York, JK Shin, President and Head of IT and Mobile Communications for Samsung Electronics, presented the new Samsung Galaxy S4. Galaxy S4 is a ‘genius’ phone that can understand you. The software in Galaxy S4 is more notable than the powerful hardware used in it. We have already detailed the all new features of Galaxy S4 here. For quick understanding what is new in Galaxy S4, samsung has released a first official video of its Galaxy S4. The video walk-through is enough to know how Galaxy S4 is powerful. Just watch it below.