Scary Trick(Scare your friend)

This is a kind of scary trick app which is used to joke.

When you open this app, you can choose the scary picture, scary time and the scary sound.
After you choose the sound , you can try to play it before you use the app. You can choose a sound that you like it.
After setting the time , you can start to scare your friend. You can give your phone to your friend.
As soon as the setting time is over, you can see their action in a pucker.
(Please don't scare any one who has some disease or any other problem)
This is just a jock. Have fun with it.