1. You can enjoy this app a lot, but it depends on the usage. + Tap the plus button to increase the number of roulette. + Tap the minus button to reduce the number of roulette. + Rotates when you tap the play button in the center of the screen bottom Once you have decided the screen of roulette. + In the initial screen is a 10 of roulette.
2. Next time, the last time when you want to use is displayed roulette that was used.