Board Thread:Support Requests - Designing Your Wiki/@comment-4530178-20190613173509/@comment-9605025-20190613203216

Actually, CSS/JS works on mobile if your are viewing the desktop site via a web browsers. But yeah, it doesn't work if you are using the app or viewing the mobile version. That said, I believe the OP was already aware of that. Unfortunately, most touch screen devices don't have a way to hover over something. You would probably need to search the app store for your OS to see if someone may have created an app that allows you to do it.