Flash Alert Calls SMS and Whistle to Flashlight is one of the best android app through you can find your Lost Mobile Phone and
You can answer the incoming calls sms. if you are unable to hear the ringtone of your incoming calls then this app helps you.

Download Link:
-Whistle to Flashlight
-Whistle to Find Phone
-Flash Alert For Calls and SMS
-Flash Alert on Incoming Calls ,SMS and Facebook,twiiter,whatspp notification

Download Link: https://play.google.com/store/apps/details?id=com.ifocusapps.whistle.flashalert

Whistling, you say? In this case, does it mean that the phone is constantly listening to you?