Android is the operating system for mobile phones based on Linux. Android provides an open platform to developers for creating their own applications for use by a variety of mobile devices. Initially, Google Inc.. buy 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.