Galaxy S4 new features reviews

S III conference last year, Samsung Human-Computer Interaction elevated to a high altitude, making it the S III a major selling point of difference with other Android phone. One year later, many manufacturers started copying S III of this design, but plagiarism catch-up with the pace of innovation in the S IV several new features are lovely people.
Eye tracking feature has been rumored before GALAXY S IV was canceled, but actually I get this test machine, the tracking function is still on the phone, but it seems that the tracking is not the eye, but the face, it is called Smart Scroll, front camera for facial recognition, if the user has been in the state look directly at the screen, the phone screen will be constant, while watching the e-mail, web browsing and other long page operation, the phone will automatically according to the solid line flip operation.
The second function of facial recognition operation Smart Pause - smart stop. This feature appears in the phone to play video the front camera detect the user's glasses did not look at the screen, it will automatically pause the playback of the video, to ensure that users will not miss any point in the story.
Actual experience point of view, however, the current stability of the S IV for face detection remains to be improved, auto scroll and smart stop demanding for mobile phones and eye position, generally in the range of plus or minus 60 degrees, while the out of the area, the front camera and the angle of the human eye is too big, you can not identify, misuse very much. This function is not very mature, but the new Samsung for the affirmation of human-computer interaction, future this will also be an important part of Samsung's smartphone development.