Ghost Touch Tester (com.gombosdev.nexus7tester) on Google Play
With this tool you can test the touch screen bug of your Nexus 7 2013 device.This application only shows you a static picture. That's it. That's enough to demonstrate the touch screen bug.** PROCEED AT YOUR OWN RISK! ** I am not responsible for any data loss, hardware damage, or bricked devices due to the use of this software! If you don’t agree, then you shouldn’t be installing this application, then remove it immediately! ** PROCEED AT YOUR OWN RISK! **How to test1.) Unlock "Developer options"1.a. Go to the settings menu, and scroll down to "About phone." Tap it.1.b. Scroll down to the bottom again, where you see "Build number."1.c. Tap it seven (7) times. After the third tap, you'll see a playful dialogue that says you're four taps away from being a developer. Keep on tapping, and you've unlocked the developer settings.2.) Activate touch visualisation2.a. Go into the in 1.) unlocked "Developer options" menu.2.b. Search for the "Show touches" option and enable it2.c. From now on, every touch on the screen will be visualized with a little white point on the display.3.) Start the test by selecting a pattern. The pattern is visualized in the left upper corner. Not all pattern cause fake touches. One pattern can cause fake touches in landscape mode but not in portrait mode or vice versa. 3.a. Look for fake touches3.b. Touch the display with one finger (one touch point)3.c. Touch the display with two or more fingers (multiple touch points)3.d. Try the same pattern in landscape/portrait mode3.e. Select other pattern (by changing portrait/landscape mode)