Specifically check out tilde.town, it's really cool. For more general information about the tildeverse, go to tildeverse.org
Welcome to China
Would Matrix be fine? You can find my user name in my profile.
Is there any reason why you can't name the provider you have in mind? Perhaps in a DM? I'm just curious ;)
This was actually meant as a suggestion for you, since you mentioned that you want to put all of your stuff, including the seedbox, onto one single cloud server (hosted by a provider that allows this), so I recommended to just get a cheap dedicated server from an actual seedbox provider.
Why should I use a piece of software that's controlled by a corporate entity in Russia?
I just adb installed the SmartTube APK from my laptop over the network
When did you try it out? It got many updates, maybe try it again?
Does F-Droid even have an Android TV client?
You can try rclone, but their Proton Drive integration is in beta
https://rclone.org/protondrive/