The video features a person using a stylus to write on a smartphone screen. The person writes "Android authority afterclark" on the screen. The video then shows the person using the stylus to navigate through the phone's interface, including the home screen and the settings menu. The person demonstrates the functionality of the stylus by selecting and interacting with various icons and options on the screen. The video provides a close-up view of the smartphone and the stylus, highlighting the precision and responsiveness of the stylus's touch.