1. Edit caller profile such as name, avatar and phone number and support be saved to recents 2. Choose one theme for caller screen, support preview the theme 3. Choose one voices or Sounds, you can record the voice with mp3 format, which bring you high sound quality. 4. Schedule the fake call time, also you can custom your specific time of the recieve call. 5. Simulate a fake call started in the background and yo can cancel the simulate 6. Save the recents call logs, re-simulate at the recents p