Android is a mobile OS supported a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen mobile devices like smartphones and tablets. it developed by a consortium of developers referred to as the Open Handset Alliance and commercially sponsored by Google. it had been unveiled in November 2007, with the primary commerciall with the first commercial device launched in September 2008.
It is free and open-source software; its ASCII text file is understood as Android Open Source Project (AOSP), which is primarily licensed under the Apache License. However, most Android devices ship with additional proprietary software pre-installed, most notably Google Mobile Services (GMS) which incorporates core apps like Google Chrome, the digital distribution platform Google Play and associated Google Play Services development platform. About 70 percent of Android smartphones run Google’s ecosystem; competing Android ecosystems and forks include Fire OS (developed by Amazon) or LineageOS. However, the “Android” name and logo are trademarks of Google which imposes standards to limit “uncertified” devices outside their ecosystem to use Android branding.
The ASCII text file has been wont to develop variants of Android on a variety of other electronics, like game consoles, digital cameras, portable media players, PCs et al., each with a specialized interface. Some documented derivatives include Android TV for televisions and Wear OS for wearables, both developed by Google. S, which use the APK format, are generally distributed through proprietary application stores like Google Play Store, Samsung Galaxy Store, and Huawei AppGallery, or open-source platforms like Aptoide, Cafe Bazaar, F-Droid, GetJar, SlideME.
has been the best-selling OS worldwide on smartphones since 2011 and tablets since 2013. As of May 2017, it’s over two billion monthly active users, the most important installed base of any OS, and as of January 2021, the Google Play Store features over 3 million apps. the present stable version is 11, released on September 8, 2020.