Debug touch offsets

This article points you to Android settings which will display touch events on the display in order to debug offsets and miscalibrations

Enable developer options

  • Go to Settings > About tablet
  • Tap 10 times on Build number 
  • A toast should appear that you are now a developer

Enable showing input

  • Go to Settings > System > Developer options > Show taps
  • Go to Settings > System > Developer options > Pointer location