| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a prize exchange system which successively displays an increased component and a decreased component in game media saved by a player, by transmitting journal data to a smartphone or the like in such a manner that a speculative spirit of the player is not excited more than needed.SOLUTION: In a prize exchange system 3001, a trunk server 3600 stores, in a journal table, data relating to variation in value of game media possessed by a player in the case where the player saves balls by means of a small-amount ball saving instruction device or a sandwich device or performs prize exchange processing by means of a prize exchange device. When journal display is instructed from a journal display device such as a smartphone 3540 owned by the player, the trunk server 3600 time-sequentially transmits, to the journal display device, journal data corresponding to an ID peculiar for the smartphone. The journal display device successively displays the received journal data on a display device.</p> |
