Sergey Alakov has spotted even more Google tests with their mobile search user interface and design. He has captured screen shots of Google testing green hyperlinks, yellow stars, bolder fonts, rounder corners, green AMP logos, rounded green call to action buttons, blue carousel links and more.
Sergey posted a lot of screen shots on his site but here are just a few of them if you are too lazy to click over. Sergey has a lot more on his own site:
As you all know, Google is constantly testing user interfaces.
Forum discussion at Twitter.