A free program for Android, by Just Call Apps.

Auto Clicker – Automatic Tapper is a simple, handy app for making your smartphone’s touch screen more interactive. With this, you will be able to set the duration of each click, the frequency of the taps, and even the way they should be performed (swipe, tap, or press).

This app will help you to make a good impression while playing a game or watching a video. With it, you can get a perfect click every time. Just tap on the screen to start the process, then set the duration and frequency of the clicks, and you will get a perfect tap every time. It is completely free and easy to use, with a simple interface and no root access required.