Android is a software stack it has an operating system for mobile device that includes an operating system, middleware and key application Linux based kernel,it has database etc. So it is called pack of software or software stack. Generally a people talk about android is a mobile operating system developed by Google.
- Andy Rubin founded Android incorporation in Palo Alto, California in October 2003.
- Google acquired Android on 17 th August 2005. Since then it is subsidiary of google Incorporation.
- Google formed open Handset alliance (OHA) on 5 th November 2007.
Android Applications primarily for touch screen mobile devices such as smart phones and tablets. Android's user interface is mainly based on direct manipulation, using touch gestures that loosely correspond to real-world actions, such as swiping, tapping and pinching, to manipulate on-screen objects, along with a virtual keyboard for text input. In addition to touch screen devices, Google has further developed Android TV for televisions, Android Auto for cars and Android Wear for wrist watches, each with a specialized user interface. Variants of Android are also used on notebooks, game consoles, digital cameras, and other electronics enterprise digital assistants.
|Android Version||Key user features added||Key developer features added|
|Nougat (Android 7.1)||
|Lollipop (Android 5.0)||
|KitKat (Android 4.4)||