The video shows a person playing a video game on a mobile device. The game appears to be a first-person shooter, with the player holding a gun and moving through a series of rooms and corridors. The player's fingers are visible on the screen, indicating that they are controlling the game with touch inputs. The game's graphics are relatively simple, with a focus on realism rather than detailed textures. The player moves cautiously through the environment, taking cover behind walls and aiming down the sights of their gun. The game's interface includes a score counter and a timer, suggesting that the player is competing against an opponent or trying to complete a mission within a certain time frame.