It is only on-topic where the problem is with or in using the desktop PC based client.
If your problem is with the Android application then there would be Android Enthusiasts or for Apple devices you could ask at Ask Different. Otherwise for the web chat (in your browser) version it could be asked at Web Applications.
If your problem is in setting up an ...
Seems a little opinion-based to me.
Why are people calling a certain thing this way and not another?
I think the answer is this and that — am I right?
That's something I'd rather discuss on chat. Questions for the main site should be about actual problems that can be solved. Or, if you're asking for an explanation, it should be apparent that ...