Google is testing a two-row button layout for action buttons in mobile local search panels
TLDR
Google is experimenting with a two-row button layout for local search panel actions on mobile devices.
Optimixed Overview
Optimixed's original report on this story.
SERoundtable reports that Google is testing a two-row display format for action buttons within local panels on mobile search results, replacing earlier experiments with a more-sign or scrollable carousel of buttons. The change appears to be one of several layout iterations Google is exploring to present local business actions more compactly on small screens.