Android has bring big revolution in the smart phone market which is utilized Smartphone all over the world. It brings many smart and amazing features for the Android Jelly bean user. This latest Android OS modifies widgets on the situation at such a time of locked screen mode. Programs will be able to run on real time even when the screen mode is locked. You have the defined choices that incorporate Gmail, calendar, messaging, digital clock and sound search functionality. Additionally the one touch Camera app features too is incorporated in it. This latest OS also brings alternations in 10 inch tablet software and features. There are appreciable alternations in the status bar and the notifications. Favorites space is placed at the below that provide access to app drawer. This turns out speedy and simple to pass menu without having to strike via sub menu. And this is OS is also very helpful for Android app development.