The blurry things are Q&A posts from Marshmallow.

And a スナック is like a girls' bar for old men, where they can hang out with an old woman and do old people things like karaoke the classics. In this case it's her Q&A stream outfit.

I dunno, Peko seemed to fail pretty hard at the Host game.

OOZ662 said:

I dunno, Peko seemed to fail pretty hard at the Host game.

I know. She gets even drunk and she becomes more honest and friendlier.