This app has a very simple interface and very easy to use. The main goal is protect your photos / pictures from intruders. No one will se your private pictures without permission.Let your cell rest on the table without a fear of someone seeing something from your private life.This free version allows you to storage a limit of 15 pictures / photos, if you need more, you can get the full featured version over in-app. The secret code is using your finger to draw forms, very easy to remember.Enjoy! iOS exclusive app!