Android 12 is a mobile operating system developed by Google for smartphones and tablets. Released in October 2021, it introduces a refreshed user interface called Material You, which allows users to customize their device's appearance with dynamic color themes based on their wallpaper. The update also enhances privacy features, providing users with more control over their data. New indicators show when apps are using the camera or microphone, and a privacy dashboard helps users manage app permissions more effectively. Overall, Android 12 aims to improve user experience and security on compatible devices.