用delphi开发的一个手机演示软件，用计算机的键盘的左右上下键可以操作的，我们用来测试手机触摸感应键盘用的。希望对开发同类产品的有用处。-Use delphi to develop a mobile presentation software, computer keyboard with the left and right arrow keys can operate, and we used to test the phone with the touch-sensitive keybo