The video shows a person playing a first-person shooter game on a smartphone. The game appears to be set in a suburban area with houses, lawns, and streets. The player is holding a gun and is shooting at enemies. The game's interface includes a map, health bar, ammo count, and other game controls. The player's movements and actions are controlled by touching the screen. The video is shot from the perspective of the player, showing their hands holding the phone and the gameplay on the screen.