In the video, a person is holding a smartphone in their hands. The person is using their thumb to swipe across the screen, which causes the image on the screen to change. The person continues to swipe across the screen, causing the image to change several times. The person's movements are smooth and controlled, and they appear to be familiar with the device. The background is a solid color, which helps to keep the focus on the smartphone and the person's actions. The video does not contain any audio, so the viewer is solely reliant on the visual cues to understand what is happening. Overall, the video provides a clear demonstration of how to use a smartphone's touch screen functionality.