Ah. So it’s a one-way pipe from Lemmy to Mastodon. It’s not possible to have a Lemmy community set up to mirror a Mastodon hashtag? (perhaps that’s how kbin does things)

It seems to me that you can interact with posts from Mastodon with a Lemmy account, but can only log in to your home server with it. So your view if the world will be Lemmy-like. Probably you could make an account on a Mastodon server and use a Mastodon app with it to interact with Lemmy posts in a Mastodon-flavored way. There’s also kbin, that does both reddit-style posts with an OP, a title, and comments; and also Twitter-style status message posts with comments but no title (“microblogs”).

I don’t know how to see the microblogs posted to a community from Lemmy, but presumably they could exist if a Mastodon-wielder put then there.