If you look at Google Play Store you will see a lot of comments from non-expert users (you can easily see it from their messages). Maybe that is because writing

If you look at Google Play Store you will see a lot of comments from non-expert users (you can easily see it from their messages). Maybe that is because writing a comment in Play Store is easier than subscribing to a mailing list many projects still use or registering in a forum. Also maybe they do not say anything because everything works ok for them?