Google uses image recognition technology in the app
The app, which is currently geo-restricted to the US, displays that Google's deep learning systems are getting pretty neat at matching small individual details.
Post the update, Google Art & Culture became the top free app in the App Store in the US.
It catalogs historical works from over 1,200 international museums and galleries in 70 countries.
Google on facial detection and pattern recognition
Google said, "The same pattern recognition technology that powers facial detection can help a computer to understand characteristics of the face. For example, there might be certain patterns that suggest a face is wearing a beard or glasses, or that it has attributes like those."