"Fly in phone funny joke" is a free entertainment application developed by Just4Fun for Android devices. As the name suggests, this app displays photorealistic animation of moving flies on the phone screen, making it appear as if real flies are crawling on it. Users can set the time after which the flies will appear on the screen, and they can continue to use their phone normally, as the flies will crawl over any open application. The app also includes a "Remove flies" button in the Android notification bar to remove the flies from the screen.

The high-quality animation of the flies makes them look real, which makes it a perfect tool for pranking friends. All you have to do is borrow your friend's phone, install the app, set the time, and press "Show flies." After the specified time, the flies will appear on the screen, much to your friend's surprise. This prank is sure to leave your friends in splits, and you can enjoy a good laugh together.

Overall, "Fly in phone funny joke" is a hilarious prank app that offers a great way to prank your friends and have a good laugh. The app is easy to use and is a perfect tool for anyone who loves to play pranks on their friends.