Is there any movement on this? My main reason for the LR app is to do my rating (too unreliable) and tagging (not possible). Editing is secondary as I prefer doing that on my macbook, so the whole 'mobile' offering is currently not much use to me.
For the record, here are Lightroom ratings on the first four images of a collection:
here is a screenshot of the web/mobile version. I re-rated two images after the initial sync, and they show stars, but the others remain blank:
