It’s really bean a long time

chisel
You can do the exact same thing with Plex, you just don’t need to since automatic remote streaming is built in. In fact, the article’s solution is literally Tailscale.
You can also bypass plex authentication on any ip range you choose, so if you add your local network and plex’s auth service goes down, it’s no big deal.
XDAI bypassed Plex's remote streaming paywall with one free toolYour Plex server can stream remotely for free if you know about this mesh VPN trickFor any platform, really, it’s just that mobile suffers from the “everything must be an app” problem the worst. Luckily, fast food hasn’t gotten bold enough to ask you to install a desktop app when opening their website.
99% of apps can just be websites, and probably 80%+ of them are just PWAs in a wrapper that can be published on an app store.