What you need to do is :
• First, you have to select a caller name and number.
• Select a picture which you want to appear when you will get a call from a selected number.
• Select user voice from gallery Or record it instantly.
• Select calling tone else you will get default ringtone.
• Select calling time with predefined time or select the manual time with time picker.
• Now schedule the call and get out of awkward situations.
You can send fake sms to yourself too with the help of this app.