[scatters]

You can access it without voice, by opening Assistant (long-press Home, double-press Power, etc.) and then typing "Lens" into the search box.

Ridiculously, there's no way that I can see to get an app shortcut icon to it.

[abraham]

The is a Lens app you can install to get an icon. https://play.google.com/store/apps/details?id=com.google.ar....

Note: I work at Google but not on Android/Lens

[scatters]

OK, I've done that. It's pretty crazy that the app takes up 40MB just to add an icon to my apps menu.