Android OS is an operating system designed primarily for mobile devices, such as smartphones and tablets. Developed by Google, it is based on the Linux kernel and allows users to run various applications, customize their devices, and access the internet. Android is known for its user-friendly interface and wide range of features. Since its launch in 2008, Android has become the most popular mobile operating system in the world, powering billions of devices. It supports a vast ecosystem of apps available through the Google Play Store, enabling users to enhance their device's functionality and personalize their experience.