Happy fruit machine is most commonly seen in the arcade hall. The interface consists of 24 squares spliced into a square. Each square has a target (multiple different graphics, usually fruit), and there is a small lamp under each square. After the player puts in the game currency, he chooses the target he wants to bet on. When the player presses the start button, the small light starts to turn around each grid in the square. When the small light stops, if it stops on the target he is betting on, the player can win the corresponding game currency.