Snake Screen Prank description

Realistic snakes on the phone screen, you can use this prank app to scare your friends and have a joke with him.
When you open other applications and operate, the snake is still present on the screen.
How to play this snake screen prank:
* Set delay time of show snake
* Click the button of show snake
After a set of time, the snake appeared and lifelike.
Snake screen prank scare your friend.