In the video, a person is holding a black game controller in their hands and using it to control a smartphone that is placed on a stand. The person is seen swiping and tapping on the screen of the smartphone, which displays various apps and games. The game controller has multiple buttons and joysticks, and the person uses them to navigate through the apps and games on the smartphone. The smartphone screen displays a variety of colorful icons and game graphics, and the person seems to be enjoying playing different games using the controller.