简单的增强版俄罗斯方块Java演示桌面程序。

特性：

1.方块并非局限于经典版的方块类型，并且可以自行添加或修改方块类型。

2.方块为随机彩色显示，具有美观性。

3.支持暂停，计分，升级加速下落等功能。-Simple Tetris an enhanced version of Desktop Java demo program.

Features:

1 box is not confined to the classic version of the box type, and can add or modify the box type.

2 boxes of random color display, with aesthetics.

3 supported the suspension, scoring, speed upgrade whereabouts of other functions.