Steam Input will allow you to use a PS controller with any game, even ones that aren’t made for a controller.
However, if you mean adaptive triggers, haptic, etc. Then this page is what you want. It’s a list of games with either native or modded support
You looked at the text but clearly didn’t read it.
They’re saying that if Apple won the same lawsuit when it’s appstore is an actual monopoly, then Epic doesn’t stand a chance against Google.