When I am going to perform something in great numbers, I decide a turn. You may decide a turn by rock- paper-scissors, but do not decide a turn with SmartPhone? A number assi...展开

When I am going to perform something in great numbers, I decide a turn. You may decide a turn by rock- paper-scissors, but do not decide a turn with SmartPhone? A number assigned at random becomes your turn. Of course the numerical value that appeared never appears once. Even bingo is usable. I am a…收起

> We made some modifications.