Got StreetComplete running under Waydroid! I don’t plan on editing with it on my desktop, but I can use it to find areas I’ve missed and do some armchair mapping with bing or mapillary images.
It looks like Waydroid still doesn’t get location pass-through from the host system, but I can at least tell it “download data here” and see, for example, where I haven’t mapped sidewalks yet.