The Purpose Software material of Android !!!

Android is a mobile operating system developed by Google.
Android is also associated with a suite of proprietary software developed by Google.
Android has been the best selling OS worldwide on smart phone since 2011 and on tablet since 2013.
Android’s default user interface is mainly based on direct manipulation, using touch inputs that loosely correspond to real-world actions, like swiping, tapping, pinching, and reverse pinching to manipulate on-screen objects .
Android is developed by Google until the latest changes and updates are ready to be released.