1．点击出牌按钮随机出牌

2．如果为满21点则显示数字询问是否继续出牌，否则显示游戏失败

3．每次成功后可累计加分数并保存该玩家的最后得分-1. Click the button cards 2 random cards. If age 21 showed the number of cards asked whether or not to continue, or else show that the failure of 3 games. After each successful increase in the cumulative scores and keep the player' s final score