https://arstechnica.com/gadgets/2017/11/google-lens-will-soon-get-top-tier-placement-in-the-google-assistant-app/

Google will soon be extending the reach of Google Lens, its visual search interface. In a blog post, the company announced Lens would be integrated into the Google Assistant in the coming weeks. The feature is still exclusive to Pixel phones, but now it should be a lot easier to access.