ANDROID is a mobile operating system (OS) based on the Linux kernel and currently developed by Google. Android is designed primarily for touchscreen mobile devices such as smartphones and tablet computers. Android is the most popular mobile OS. As of 2013, Android devices sell more than Windows, iOS, and Mac OS devices combined, with sales in 2012, 2013 and 2014 close to the installed base of all PCs. Android's source code is released by Google under open source licenses, Android is Applications,that extend the functionality of devices, are developed primarily in the Java programming language[63] using the Android software development kit (SDK). The SDK includes a comprehensive set of development tools,pular with technology companies which require a ready-made, low-cost and customizable operating system for high-techdevices. Google Play Store is the primary application store installed on Android devices that comply with Google's compatibility requirements and license the Google Mobile Services software. Google Play Store allows users to browse, download and update applications published by Google and third-party developersCaresort is a Android Application Development Company in uk which Develop apps for iphone,andorid,windows phone.