ZenUI is a user interface developed by ASUS for its smartphones and tablets. It is designed to provide a smooth and intuitive experience, featuring customizable themes, easy navigation, and various built-in apps that enhance productivity and entertainment. The interface emphasizes simplicity and functionality, allowing users to personalize their devices according to their preferences. With features like a quick settings menu and a user-friendly layout, ZenUI aims to make everyday tasks more efficient while maintaining an aesthetically pleasing design.