I'm on just now, don't know how to join stuff cross-plat just yet though. If you're on the Discord that should be a relatively easy way to organise and get things set up.
From my brief time with this game I've found that the extra jump is usually best saved as a final adjustment to try and catch the ball, I still need plenty of practice with that stuff.
Aye I had to work hard there to try and keep on top of it
Good to hear the Switch version is working well, apart from the lag issues. I assume it's via wifi? Might be worth messing with router frequency channels, trying 5Ghz if the Switch supports it, that kind of thing.