Use APKPure App
Get Trackball old version APK for Android
Trackball is acting like a mouse pointer. it helps you launching your app.
Trackball is acting like a mouse pointer. When you are watching movie online, while you receives some message, use app to launch anytime.
main feature:
(1) notification dialog
(2) mouse pointer
(3) custom mouse pointer
Caution:
Some devices won't work. App cannot be moved at all. If there are some problems, please tell me about your device information. (Device name, firmware version. etc.)