In the video, a person is holding a smartphone in their hand and playing a game on it. The game appears to be a first-person shooter, with the player's perspective being from the viewpoint of the character they are controlling. The person's thumb is visible on the screen, indicating that they are actively playing the game. The game's graphics are not very detailed, suggesting that it may be a mobile game rather than a high-end console or PC game. The environment in the game seems to be an indoor setting with walls and floors visible. The person's movements are quick and precise, indicating that they are experienced with the game.