In the video, a person is holding a smartphone in their hands and playing a game on it. The game appears to be a side-scrolling action game with a character that the player controls. The character is seen jumping and attacking enemies in a dark environment. The person's thumb is visible on the screen, indicating that they are controlling the game. The game's graphics are simple and cartoonish, with bright colors and clear animations. The game seems to be challenging, as the player is seen struggling to defeat the enemies. The person's focus is entirely on the game, and they seem to be enjoying it.