This is a all app for easy learning of numbers (0-20). The app says which number shall be pressed. If a wrong number is pressed the app tells which number was pressed. When the correct number was pressed the app goes on with the next number. You can select which numbers shall be used in this game. This app requests no permissions that you will be warned about. 这是很容易学习的数字（0-20）一个小应用程序。该应用程序表示其数目将压制。如果一个错误的号码被按下哪个号码被按下应用程序告诉。当正确的号码被按下该应用的推移与下一个号码。 您可以选择哪些号码将在这场比赛中使用。 这个程序要求没有权限，你将被警告。