Originally Posted by SeanHL

There's actually a new mechanic for the card turning game this time. The emotes on the left and right are clues towards the item quality. Nazuna always responds to mousing over her cake, for example.

I think that feature's been there for a while.
IIRC, Freesia's event had it, and more recently ~2 events ago (the mystery event).

EDIT: hypo beat me to it, but yeah.