Google acquired Android in 2005 and in 2007 the Open Handset Alliance was formed between Google and several companies to develop Android. The document then describes Android's architecture which uses the Linux kernel, Dalvik VM, and core libraries. It works by running applications on the Android Runtime through the Application Framework. Currently Android has a large share of the mobile market and smartphone sales. The pros listed include access to device features, equal treatment of apps, lack of boundaries, and ease of use, while the cons note security issues, its open source nature, login problems, and potential incompetence.

1. GOVT. ENGINEERING COLLEGE, AJMER

4. INTRODUCTION
 Google acquires android in July 2005.
 On 5 November 2007, the open Headset Alliance, a consortium of several
companies which include :

5. DESCRIPTION
 Operation :
Android Runtime
 A set of core libraries
 Runs its own process
 Dalvik VM relies on the linux kernel.

6. ARCHITECTURE

7. WORKING PROCEDURE
 Android Runtime
 Application Framework
 Application Layer

8. CURRENT STATUS
Survey says that android mobiles are more active sales in market. In smart
phones platform, android covers major part.

9. PROS
 Allow access to core mobile devices.
 All applications are equal.
 Break down boundaries.
 Fast and Easy.

10. CONS
 Security
 Open Source
 Login
 Incompetence