I don't know if anyone has done this yet so i'm gonna give it a shot.
There is an app called Amino for ios and android. Amino has a ton of communities for various interests like technology, anime, video games, 映画 and tv etc. In these communities あなた can make blogs, polls, and お気に入り for all あなた お気に入り things regarding that genre または show. One of the particular communities is called Buffyverse where あなた can discuss all things Buffy and Angel. I know that's what everyone already does here but this sis a mobile community that's a bit もっと見る active.
So I just wanted to put this out there in case anyone was interested. Just download Amino and look for Buffyverse.