USB keyboard reference to the original code.

USB键盘驱动原码参考.

Players will then be able to chat with their instant-messaging contacts using a virtual on-screen keyboard or a USB keyboard plugged into the game machine.

这样，游戏玩家就可以通过虚拟的屏幕键盘或者是插入游戏机的USB键盘随意的聊天了。