Taking photos without touching your phoneIt's very easy, just settle the phone from a distance, then, create a sound by slapping or yelling a word, the application will take a photo when it “hears" a lound sound.Other features:- Setup threshold for sound intensity. The higher you set, the louder of the sound you need to create.- Setup threshould for enviremental noise. If your surrouding is noisy, you need to turn this value up.