Comes a mini-game is the most popular slot machines in Japan.
Is "Cinderella Blade" is the name of the slot machine.
http://www.net-fun.co.jp/cinderella/index.html

To clear the stage of all, please try also aims to world rankings.

◆ Description Game
Within the time limit is a game, tap the button that appears in the random Penpen on the game screen, score to win more. There is a stage for each character that appeared in "Blade Cinderella" will clear the stage and earn a score of more than clear and the score is set for each stage.

◆ roll mode
Tapping mode to migrate to tap continuously Penpen button, and a certain number of successful combo. In roll mode, the Penpen button will appear at the center of the screen, you can roll within a certain period of time, the Penpen button. In roll mode, when more than a certain number of times, the pound, you can earn bonus score at the end of roll mode.