In the video, a person is holding a smartphone in their hand and using their finger to navigate through the screen. The person scrolls through the phone's home screen, which is filled with various app icons. They then open a specific app and begin scrolling through its content. The person's finger movements are smooth and precise as they navigate the phone's interface. The smartphone appears to be a modern device with a high-resolution display. The person's thumb is the primary tool used for navigation, and their finger movements are deliberate and controlled. The video provides a clear view of the phone's screen and the person's hand movements, allowing viewers to observe the interaction between the user and the device.