Earlier this month we saw Google testing mobile friendly icons in the mobile search results. Then yesterday we saw Google testing not mobile friendly icons in the mobile search results. Now, I am seeing a text based version of the mobile-friendly notice in the mobile search results.
Here is a picture of how they look, notice where it says "mobile-friendly."
Compared to the icon version from earlier:
Compared to the non-mobile friendly icon:
They even show up on Sitelinks:
I guess Google will be launching one of these and is eagerly testing as many combinations as possible to see what works best.
Forum discussion at Google+.