| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable terminal device that can change the mode of reproduction of music data in dependence on the progress of a built-in game. SOLUTION: The portable terminal device connectable to a radio communication network has a storing means for storing a game program and a plurality of types of music data, a game executing means for executing the game program, a music data reproducing means for reproducing the music data, and a synchronous controlling means for synchronizing the game executing means and the music data reproducing means. |
