I would like to be able to hold down my finger on a pending comment in "Notifications," and see a context menu pop up giving me the ability to mark a comment as spam. I can tell at first glance whether it's spam and currently have to tap the pending comment, then tap "... More", then tap "Mark as spam", and finally confirm.
I think this should be a 1-step process, as it is the #1 reason I use the mobile app.
This is on an iPhone 4s / iOS7. Not sure how this functionality works on other phone models.