Operating System Used In Mobile Phones..

operating system play an important role in selecting a mobile phone ...some of the popular OS are following especially in samrt phones antroid os antroid is a linex base os for smart phones and tablets it is developed by open handset aliance led by google.Google purchased the initial developer of the software, Android Inc., in 2005.Android has a large community of developers writing applications ("apps") that extend the functionality of the devices. Developers write primarily in a customized version of Java. Apps can be downloaded from third-party sites or through online stores such as Android Market, the app store run by Google. As of October 2011 there were more than 400,000 apps available for Android, and the estimated number of applications downloaded from the Android Market as of December 2011 exceeded 10 billion.

windows os Windows Mobile is a mobile operating system developed by Microsoft for smartphones and Pocket PCs,. It is based on the Windows CE kernel and first appeared as the Pocket PC 2000 operating system. It is supplied with a suite of basic applications developed with the Microsoft Windows API, and is designed to have features and appearance somewhat similar to desktop versions of Windows. Third parties can develop software for Windows Mobile with no restrictions imposed by Microsoft. Some software applications can be purchased using Windows Marketplace for Mobile. bada Bada (stylized as bada; Korean: 바다) is an operating system for mobile devices such as smartphones and tablet computers. It is developed by Samsung Electronics. Its name is derived from "바다 (bada)", meaning "ocean" or "sea" in Korean. It ranges from mid-range to high-end smartphones. To foster adoption of Bada OS, Samsung is reportedly considering releasing the source code under an open-source license, and expanding device support to include Smart TVs. Samsung has announced it will merge Bada into the Tizen project.