How to reactivate setting Draw over other apps?

If your child has deactivate this setting, Smombie Guard is not longer able to display alert windows. On your child's smartphone, please press:

  1. Settings (those of Android, not of Smombie Guard)
  2. Apps, Manage apps
  3. Advanced (gear symbol)
  4. Draw over other apps
  5. Smombie Guard
  6. Push the switch to the right