This can be a cute cellular search function, the place Google is displaying you a carousel of GIFs that you could click on on to share with your folks. It’s question dependent, and can match related GIFs to your question.
Here’s what it seems to be like:
Saad AK noticed this and posted about it on Twitter and I can replicate it.
While you click on on “Share” the native iOS or Android sharing bar comes up so you may share it through electronic mail, textual content messages, social media or wherever.
This doesn’t appear to indicate up on desktop.
Discussion board dialogue at Twitter.