Find Phone SMS scans incoming SMS messages for a user-specified trigger word or phrase; when found, an alarm sounds.
Find Phone SMS will allow you to:
1. Find your phone when you've left it on vibrate and lost it inside your house.
2. Be contacted in case of an emergency by someone who knows the trigger text.
Lightweight & simple.
Bug fixes and feature requests email me:
--Android Lollipop update (12-18-2014)--
To ensure that Find Phone SMS rings, set Interruptions to "Priority"
If Interruptions is set to "None" Find Phone SMS will vibrate but will not make any sound.