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's character holding a gun and moving through various rooms and corridors. The player is shooting at enemies, and the game interface shows the player's health, ammo, and other game-related information. The player's character is seen aiming and shooting at enemies, with the game's graphics and sound effects indicating successful hits. The player's movements are smooth, suggesting that the game is being played on a device with a good touchscreen interface.