When I think of an emojo I think square, but this seems like a bias that I need to remove after looking at nostr:npub102uh6f0shk9vgwldt2gpgv9jpx4qvkt66rjvfatuhnkwl7umgf2sewdkev uses them over on #misskey land. In the screenshot attached those are only 3 emojos, one for the username and two in the body of "text"