Nathan 🏳️🌈If you want something to look forward to, Mastodon 4.0 will be released on Monday so soon enough you'll be able to translate posts and follow hashtags! 
Tim Gent@nathan is this the App itself? You can already do some of these things in a browser and some alternative Apps, yes?
@tgent_fens It's the web version of Mastodon which is getting updated and officially supporting these features. The official apps have been updated to support these new features I believe, but only if the instance has been updated.