The video shows a person playing a first-person shooter game on a mobile device. The player is holding the phone with both hands and using their thumbs to control the game. The game interface includes a map, health points, and ammo count. The player moves through different locations such as streets, buildings, and alleys, and shoots at enemy players. The game graphics are realistic, with detailed textures and colors. The player's movements are smooth and precise, indicating a high level of skill and familiarity with the game.