| 摘要 |
A joystick for playing a game in a mobile phone is provided to perform input in all mobile phones capable of playing the game by connecting to the mobile phone through a USB(Universal Serial Bus) port. A direction control button(204) for controlling a direction during the game embedded in the mobile phone(103) is projected from a main frame(205). Function button(206-209) for the game, a call/game mode switching button(202), and a TV/mobile phone mode switching button(203) are projected from the main frame. The call/game mode switching button connects an incoming call during a game mode, and advances the game again after the call by terminating the call and switching the call mode into a game mode. The TV/mobile phone mode switching button advances the game when the mobile phone is connected to a TV during the game mode and advances the game in a screen of the mobile phone again. A communication port(201) performs data communication with the mobile phone by connecting to the mobile phone through a USB cable(301).
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