The video shows a person holding a smartphone and playing a game on it. The game appears to be a first-person shooter, with the player moving through different rooms and corridors, shooting at enemies. The player's character is equipped with a gun, and the game interface includes a map, ammo count, and health bar. The player's movements are quick and precise, indicating a high level of skill and familiarity with the game. The game environment is detailed, with realistic textures and lighting. The player's character is seen taking cover, aiming, and shooting at enemies, who are also shooting back. The video ends with the player's character being shot and falling to the ground.