if long-pressed, would scroll you to the previous top-level comment.

Well fuck I never knew that 😭

Kbin currently does not have a public API which is what most developers use to create apps, as such very few people are working on kbin apps and AFAIK they’re not public for testing yet. Artemis by a developer named Harriet (Harriette?) is the only one I know off the top of my head and she’s still in the private stage.