You know this screen cracker apps which simulate broken or cracked screen? Only this one makes a hole in your phone so that you can see through it !
How to use ? Try predefined screens taken from HTC, Samsung or Motorola cell phones. Or make a screenshot of your own phone and apply one of the funny screen crackers. Both pictures will be merged and in output there will be your screen overlayed by cracked screen with holes inside, showing what is behind your phone.
Shock your friends ! It is easy. Just a camera is used to show what is behind the phone.
Multiple cracked screens (totally cracked screen, with black background meaning the phone is turned off, with one or three holes,...)