To provide a new kind of interest to the progress of a card game by using an electronic device such as a cellular phone carried by a player.

A game progress indication section 143 sets a game mode to a normal mode and starts measuring normal mode time, when a game is started. The game progress indication section 143 switches the game mode to a roulette mode when a measured normal mode time exceeds prescribed time. When the game progress indication section 143 performs rotation control of a roulette wheel, stops the roulette wheel in accordance with the stop operation of the roulette wheel from an input section 130 and generates a roulette event in accordance with the stop position.