Multi-touch Tester is a free Android app developed by Defiant Technologies LLC that allows users to test the multi-touch capabilities of their device's display. The app draws dots on the screen that move along as you touch the screen. With Multi-touch Tester, you can test how many fingers your device can detect at the same time.

The app is straightforward and easy to use. Once you open it, you can immediately start testing your device's multi-touch capabilities. The dots on the screen move along with your fingers, allowing you to see how many fingers your device can detect. Multi-touch Tester is an excellent tool for developers or anyone who wants to test the multi-touch capabilities of their device.