That’s how you link to Communities on Lemmy. Basically the same thing as the “r/” prefix on Reddit.
Firefox, Bitwarden, and Tachiyomi are some that I use almost everyday
As far as I’m aware, no apps have this feature yet unfortunately
If you’re on the website, this is the crosspost button.
Yeah. I’m just waiting for the subs that I was active at to grow here (mostly space-related subs).
Yeah I specifically use Revanced Extended which adds more patches for YouTube and YouTube Music.