Samsung Galaxy S4: User can control by looking

Samsung Electronics unveiled its new flagship smartphone Galaxy S4 , with a feature that would enable users to control the screen by where they look.

The Galaxy S4 showed numerous improvements .The 'Smart Pause' function would allow users to control the screen by looking at it .When user's are watching a video the video pauses if they look away then it re-starts right up again when they look back.
The 'Smart Scroll ' function would allow users to scroll the browse or email up and down witout touching the screen . It recognizes users face looking at screen and  movement of their wrist and then scrolls the pages up or down accordingly. Samsung planned to roll out the new model through 327 mobile operators in 150 countries starting possibly late April, surpassing its predecessors Galaxy S3 that was launched via 296 wireless carriers in 145 nations .

Global sales of Galaxy S3 reached around crores and crores units since its launch in May 2012, according to the estimation made by Woori Investments and Securities analyst Sophia Kim.The Galaxy S4 was expected to exceed its predecessors , with sales touching more units by this year-end.