Meg, about editing published stories on your phone: (first my family has iPhones, so I don’t know if Android is different.) But I realized a couple months ago that the only way I can edit a published story there now is to go to “Stories” on my admin page, then choose “Public”, then go through the laborious scroll of stories and responses mixed in together (?) until I find the one I want to edit, and then click on the three dots at the bottom righthand side of its listing so I can choose “edit.” I just did this to make sure it still worked.
If this doesn’t work for you, they probably have another of those bugs that’s specific to one ‘platform’ or ‘technology’ (or whatever the correct word for it is.) But I hope it does work. Fingers crossed.