Tasker is an automation app for Android devices that allows users to create custom tasks and automate various functions on their smartphones. It enables users to set triggers based on events, such as time, location, or specific actions, which can then execute a series of predefined tasks. This can include changing settings, sending messages, or launching apps. With Tasker, users can enhance their device's functionality and streamline daily routines. The app is highly customizable, catering to both novice and advanced users. It supports plugins and integrates with other applications, making it a powerful tool for personalizing the smartphone experience.