"iPhone began to vibrate suddenly. The power supply doesn't enter. Why?"nnnWhen the application program is started, the explanation is written on a jetblack screen only a little. nPlease read the explanation, and, first, incline iPhone. nThen, the explanation is hidden and it disappears. nnNext, please touch the screen. nIPhone vibrates. nIt vibrates more intensely when touching again. nIn addition, it vibrates more intensely when touching again. nIn addition, it stops if touching further again. nnnnThis application program can be used as a massage machine. nHowever, it is likely not to go out of the region of the joke application program because the vibration is a little weak. nnEnd it after it plays.