Learn to use Crookcapter

Learn to use CrookCatcher

Download crookcapter From link Click here

Open crookcapter app

 then click on next > click on activate then > click on next.

By default there will attempt limit will 3 click on 1 failed  attempt then

> click on activates to get intruders picture in your email then >click yes and now it's active.

if any will enter password on your device without your permission it will catcher image of that person.

And to deactivate 
Go to settings on your device then 
Go to security then device administrator then click on  third eye then click on deactivate 
By:-PpS