Gaming gets more interesting if we play with our friends. But everyone may not be playing on the same platform. You may have a PS4, and your friends may have Nintendo. Other folks may be Xbox users. Thankfully, cross-platform gameplay is now possible. In this guide, I will tell you how to add Nintendo Switch friends on A PlayStation 4.
Cross-platform may look like a rocket science term, but it works simply. Players from different platforms come together under one server for gaming. This cross-playing is not new. Back in 2019, Sony began supporting other platforms allowing them to merge. You may ask about any hiccups while gaming from various sources, but you can tweak them under Settings. Check out this guide to know more.

How to Add Nintendo Switch Friends On PS 4
I have also put up a list of games that support cross-platform gameplay. As the concept is fairly new not every game will support the feature.