When searching around on Google, we’ve seen that box that includes the heading “people also search for,” followed by some more search phrases that expand into additional search results.
It looks like Google is now testing a new look for that on the mobile search interface. This look is cleaner, and has a boxed-in look. It scrolls left and right, just like the typical Google carousel feature found on the mobile platform.
Check out the animate GIF based on some of the screen shots shared by @MattNavarra: