Samsung Galaxy S4 : Eye without touching the screen

A little lighter with a slightly larger screen than the S3, Samsung Galaxy S4 was out Thursday night in New York, to stand out, many innovative features side interface with steering through the eyes and hands.

 Until the last moment, rumors about the Galaxy S4, the latest addition to Samsung. And for the occasion the Asian manufacturer had come to the land of Apple, the United States, but not in Cupertino in New York Radio City Music Hall with a public viewing of Times Square.

At first glance, the differences with its predecessor the S3 are hardly noticeable. The fourth Galaxy name is however slightly lighter (130g against 133g) with a 5 inch screen Super AMOLED 1920x1080 pixels (441 dpi) against 4,8 inches for the previous version. We find the same design and the same plastic material. 

Side characteristics : a camera 13 megapixel (8MP for S3) and 2MP on the front, Exynos SoC May 8 core 1,6 GHz, 2 GB RAM, 16 or 32GB of internal memory (with microSD slot expandable up to 64 GB) and a 2600 mAh battery. For Connectivity: WiFi, Bluetooth 4.0, NFC, 4G/LTE . 

Eye without touching the screen

These technical features have been widely anticipated. The S4 Galaxy runs on Android 4.2.2 with Samsung's TouchWiz interface, and will be launched in 155 countries in April. As the manufacturer had therefore left to think about is the software side that we must seek the true innovations, the first and most anticipated: the "SmartScroll" or control the camera with eyes. Samsung explains, for example if the user watches a video, it stops when the eye focuses only on the screen of the smartphone, and resumes when the look back on it. It is even possible to scroll a web page with the eyes: As reading, the page scrolls automatically. Eye without touching the screen.

"Air Gesture" is also great promise. According to the manufacturer, it is for example possible to move from one Web page to another (or from one tab to another on a browser) by a sweep of the hand without touching the screen. Still no contact with the screen, it would be possible to take a phone call for example. Other functions, such as "Air View" to preview email, are also eagerly awaited.

Samsung has set a very ambitious goal, namely to reach 70 million units sold by the end of the year. A bet not so crazy, an analyst at Bank of America, which explains why Samsung went number one in many countries in the world except the United States where Apple maintains its supremacy ... but for how long ?