Joker

I don’t have it so I can’t tell for sure about the telemetry part but PineTime is an open source smartwatch, so if someone can confirm about telemetry you could add it to the list.

There are no cons

I personally like dockge, it’s simple and lightweight and I like the fact that the webui has a good phone interface.

You can host for them game servers using Pterodactyl. It has minecraft installed by default and you can find other games here https://github.com/pelican-eggs/eggs , click on games option in the README.md.