Pranks: Horror Sounds is a free Android app developed by PalveSoft S.L. that allows you to play funny jokes on your family and friends. The app features 12 terrifying sounds that are guaranteed to scare your loved ones. You can use the timer to leave the phone somewhere and sound when you want.

The app is easy to use and the sounds are high-quality, making the experience more realistic. However, it is important to use the app with responsibility. The developer warns users not to play jokes on older people, people with heart problems, or anyone who may be harmed by the prank. Overall, if you're looking for a fun and harmless way to scare your friends, Pranks: Horror Sounds is definitely worth checking out.