Goooooogle for Hmoooooob

A little while ago I noticed "Hmoob" starting to show up on Wells Fargo ATM language choices:

I felt dumb. What is Hmoob, where is it spoken, and now that I've selected it out of curiousity, how do I navigate back to the English screens before I transfer my balance to a Nigerian scam account?

As it turns out, it's an in-language spelling for the language of the Hmong people.