Google has started displaying AMP results in their image search results. Go to Google Image Search using your mobile device, search for anything of interest (I searched for “smartphone screen repairs”, then click on the image results. The first image I saw was a AMP result – with an AMP logo. I was taken to the AMP version of the page when I clicked on the title of the image.
Here is a screenshot from my phone.
Google launched AMP in the core mobile results in August