Its really nifty that you can highlight text, click copy and it automatically fills the search. Would lobe more hints in the interface that you can do that. It would also work better if the category names were available as well: then i could be precise and add the information already identified by others.
Topic on Talk:Wikimedia Apps/Android Suggested edits
Actually playing with this function more, I think these kinds of edits would be better than the machine suggestions: at least you would know that newer users are just matching against known truths about the image instead of casually adding nonsense. This could be some sort of "highlight what is in the image from the description" workflow.