Google's people also search for feature is testing a new design on mobile. It looks like a carousel above the top stories AMP carousel. Mitchell Haw from Ignite Visibility shared a screen shot with me on @johnelincoln Twitter account.
Here is the test user interface for this design:
In comparison, this is what I see:
Google is frequently testing design interfaces around features like this. They tried other forms of carousels in the main snippets before. This new look seems much different.
Forum discussion at Twitter.