With "Phone Finder", even in crowded places, in the dark or at home, simply using the clap or whistle function to trigger an alert will help you find your mobile phone.
Here is how to use the "Phone Finder" application:
1. Open the app.
2. Click the "Tap to Active" button at the top of the app.
3. The app listens for clapping or whistling.
4. Once the clap or whistle is detected, it triggers your phone to ring, flash or vibrate according to your settings.