A recent trend for online pranking is App Jokes, where the prankster creates an iOS/Android app dedicated only for pranking his/her victim! It might sound like cutting off nose for spiting on the face but when you see the reaction, you understand that it is definitely worth it!
What can get things even more challenging, is having people comment on the app on the app store!
The most popular app idea is the one which can perform ridiculous activities on the face of your victim!
If you really need to implement an online prank, get in touch with Jelly, he will guide on what to do!