If you lose constantly your phone, this app is for you. whistle continuously and strong to trigger the detection.
You can adjust the precision level, ringer, etc. Detection begins when the phone screen is off.
Fix some bugs
9Apps 4.9
![BLACKPINK - 'Whistle' [Acoustic Ver.] (2018 ARENA TOUR IN KYOCERA DOME OSAKA) screenshot 1](https://i.ytimg.com/vi/2vOVB03klrc/mqdefault.jpg)
