Use APKPure App
Get Whistle & turn on flash old version APK for Android
Turn on the flashlight by whistling!
Show your friends that your phone is innovative! Now you can just whistle to turn on the camera's flashlight! This app detects sound of whistling and turns on the flashlight. It's great way to impress to friends! You can choose sensitivity of detecting whistle and reactions on the sound of whistling(turn on ringtone or vibrate).