This app is intended for entertainment purposes only and does not provide true fake phone call functionality. Fake an incoming call: you can change the background and the ringtone of the call (annd build your own) you can choose the time to ring and choose the number phone of contact name. by selecting a contact the app import the contact image automatically. Build Your Ringtone: pick a ringtone from your music library, choose a start and end time of the song. the app will trim it, and make it as a ringtone - you can save it in favorites Record Your Voice: You can record your voice before the call has made. when it will call you, after you answer it, it will start playing your recording from before - you can save it in favorites Security: when the call is end it will show you a black screen, nothing will happening, after 10 minute it will show you an alert an a sound to remind you to close the app and lock your screen device for save battery... you have 8 ringtones to choose: -Marimba -Alarm -Ascending -Old phone -Sci-Fi -Sonar -Time passing -Xylophone -or Just make your own ringtone Auto-BG contact import: if your contact have an image, it will automatically import and set to the background call