①要有等级功能，不同的等级游戏的难度不一样；

②要显示剩余的时间；

③要有声音，执行不同的操作出现不同的声音；

④具有〔提示〕功能，点击后游戏可以自动显示一组可以消除的牌组。-① Level functions have different Level of difficulty of the game not the same　② to display the remaining time　③ have a voice, the implementation of different operational there are different voices　④ has prompted 〔〕 function, when clicked, will automatically show Game One Group can be eliminated licensing group.