I suggest Asus to add one security option ie.. user must enter password to switch off the phone to avoid phone theft I is useful to find phone instantly.
This opinion seems like a very good idea. Asus should implement it in its next updates.
There are apps out there in Play Store which has this. It is pointless in having it though as someone can still force shutdown your phone.
If you believe it is still worth while, I would post here for any suggestions you have: