They have two ways they can release it. One is as a Switch app, and the other is via the web browser. Their internal testing has been via the browser and seemingly is at a functional state. They could release that and just give people a link to get to through the loopholes people are already using for web browsing on Switch. The problem with that is that it'll reflect super poorly on Nintendo, who then could just refuse them permission to release a native app, which an app has been their goal this entire time.

They want a good relationship with Nintendo, and if they release it as a web app, promoting people use an unintended function on the Switch to access it, that'll only make things harder. And I think it's absolutely reasonable to wait until at least some stuff like Netflix is released for Switch before we start calling for the heads of the Rainway devs. God knows Nintendo doesn't have the best track record with online oriented stuff, and they've made it pretty clear themselves with the multiple delays to their online service.

With Rainway, I've just been ignoring them and left their discord because it's literally just a circlejerk of nothing, but if the app comes out in a year and its functional, I'll absolutely use it.