I heard there is something interesting "gimmick" within that outfit.
Which is basically a spot a difference game, where it had 3 or more different outcomes. Each being as lewder as the last.
EDIT: There is also where she changes her hairstyle and adds glasses, which are not seen in the preview in the twitter.
There is, you touch the background where the fireworks are are and then a screen will come down. Left is SPOT THE DIFFERENCE which will change her pose and right is to edit the outfit.