这是一个小游戏，叫做俄罗斯方块。你可以改变不同形状的方块来搭建，如果每行都被搭满无任何空隙，那么这行上的小方块就会被消除，直到你无法在搭建，就算游戏失败。-This is a small game, called the tetris. You can change the different shapes of square to build, if each line is set full without any gap, then this line of small square will be eliminated, until you can t be in the building, even if the game failed.