The video shows a person playing a game on a mobile phone. The game appears to be a first-person shooter, with the player's character holding a gun and moving around a virtual environment. The player is seen shooting at other characters in the game, and the game's interface is visible, with various buttons and indicators on the screen. The environment in the game is a grassy field with trees and buildings in the background. The player's character is seen running, aiming, and shooting at enemies, and the game's graphics are colorful and detailed.