The video shows a close-up of a person's finger pressing buttons on a game controller. The controller has a small screen displaying a game with a green background and a grid pattern. The person presses the "A" button, which causes an arrow to move on the screen. The person then presses the "B" button, which causes the arrow to move in the opposite direction. The person continues to press the buttons, causing the arrow to move back and forth on the screen.