Looking for a fun way to prank your friends? Look no further than Bug in Phone Funny Joke, a free Android app from Just4Fun. This app displays a realistic animation of creepy crawlies on the screen of the phone, making it the perfect way to scare your friends.

The app allows you to choose the time after which the bugs will appear on the screen, giving you ample time to hand the phone back to your unsuspecting victim. Meanwhile, they can carry on with their regular activities like reading emails, playing games, or browsing the internet, completely unaware of the prank that's about to unfold.

One of the best things about the app is that it's displayed on a transparent background and on top of all system applications, so your friend will see it no matter what they're doing on their phone. Plus, you can remove the cockroaches from the screen at any time by expanding the Android notification bar and touching the proper notification.

Overall, Bug in Phone Funny Joke is a fun and harmless way to pull off a prank on your friends. With its realistic animation, customizable settings, and user-friendly interface, it's a must-have for any prankster's toolkit.