Android is an open source and Linux-based Operating System for mobile devices such as smartphones and tablet computers.

Android offers a unified approach to application development for mobile devices which means developers need only develop for Android, and their applications should be able to run on different devices powered by Android.

The goal of android project is to create a successful real-world product that improves the mobile experience for end users.

There are many code names of android such as Lollipop, Kitkat, Jelly Bean, Ice cream Sandwich, Froyo, Ecliar, Donut etc which is covered in next page.

Low Investment & High ROI: It has a relatively low barrier to entry and SDK is available for free to developers which reduces the costs.

Freedom & Innovation :It is the key philosophy at Google and allows developers to put their creativity to use and come out with engaging apps.

Android's Market Share: We don't get tired of talking about Android's high presence on mobiles, because it is a big deal in terms of reachability.

Apps for everybody: Developers have the opportunity of making apps according to every kind of mobile device, either if they're high quality.