来 Google Play 网购吧！购买内容之后，立刻就可以在您的 Android 手机或平板电脑上享用，摆脱一切同步烦恼。
Multitouch Test allows you to find out the multi touch capabilities of your device. It supports up to 20 pointers (fingers). Each touch pointer is visualized with a colored circle (blue: down, green: move, grey: up).
This app also helps developers to learn about MotionEvents, pointer IDs, and ACTION codes.