Answer! It's Emergency SMS

EMERGENCY SMS is a simple that helps you set-up a code word (CASE SENSITIVE) and when ever someone who knows the code word send you a text message CONTAINING it your phone will sound a high volume alarm.
So in case of an emergency,a relative can send you a text message containing the code word and get your immediate attention, even if you are in a meeting with your phone on silent mode, or you just forgot your phone on vibrate...

Features :
- The high volume alarm will start even if the phone is in silent vibrate mode.
- The code word can be sent from any phone.
- Simple and easy to use.
- Compatible with 2.2 or later
The app may not work well with NON-Built in SMS apps like Gosms...

Hope you will like it .