Android is Operating System Developed by Google

Android (operating system) - Android OS - This is an operating system based on Linux for mobile devices such as smartphones and tablet PCs. Android provides an open platform for developers to create their own applications to be used for a wide range of mobile devices.

Initially, Google Inc. bought Android Inc., newcomers who make software for mobile phones. Then to develop Android, formed the Open Handset Alliance, a consortium of 34 companies for hardware, software, and telecommunications, including Google, HTC, Intel, Motorola, Qualcomm, T-Mobile, and Nvidia. At the inaugural release of Android, 5 November 2007, with the Open Handset Alliance Android states support the development of open standards on mobile devices. On the other hand, Google released the Android code under the Apache license, a software licensing and open mobile standard. 

In this world distributors operating system Android. The first fully supported by Google or Google Mail Services (GMS) and the second is completely free distribution without direct support Google's otherwise known as the Open Handset Distribution (OHD).