Recent problem over the last week or so: The language auto selected with the download is a bit randomized, English, Descriptive English, Deutsch, Japanese, Etc.. Issue is persistent with no active VPN. Uncertain if this is a bug with my ISP, or with software, potentially a feature request. Good product overall, thanks for the hard work.
I'm having the same problem with Amazon Prime. A couple movies correctly had English as the audio language but a TV episode has German as the audio language. I don't see any way to change it in my Prime account or in AnyStream. When I stream the TV episode in my browser the audio is English as it should be so the problem is with AnyStream.