You can enjoy this app a lot, but it depends on the usage.
+ Tap the plus button to increase the letter of roulette.
+ Tap the minus button to reduce the letter 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. Next time, the last time when you want to use is displayed roulette that was used.

Assumed usage scene
+ When a roulette for a board game is broken
+ In place of the die (dice)
+ As a punishment game roulette
+ Choose a person to go shopping
+ Choose a person to throw away garbage.