How to Uninstall Hangouts and Bring Back GTalk on Android
If you install Hangouts on your Android device, it replaces Google Talk. To remove and uninstall Hangouts and bring back GTalk again (Jelly Bean 4.3 ...
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Smart Stay is a new feature introduced by Samsung and is first used on its new smartphones, like Galaxy S III. It is now available for some other Samsung smart phones too. If this feature is On, then the device’s screen stays on as far as the user’s eye is looking at the screen. This is very useful when reading something on your device. Since the app is using device’s second camera, if the camera is busy with other application or around you is too dark to identify your face, the feature is not working as expected
To active the Smart Stay, go to Setting > Screen and then enable Smart Stay