This [question] is intended as community submission describing the target functionality. This will likely change over time, but it will allow devs to have a end goal with their program. Obviously, this includes the standards (doing anything you would normally be able to do on the site), but also the below:
This question is a place to keep a list of feature requests. If you have a request for the PPCG mobile app, add it as an answer here.
If you like an answer, upvote it to increase its priority.