I'm going to be doing a large amount of tweeting at one or more events; I'll need the ability, also, to create drafts and get to them easily. I'll also need to add photos to many of these tweets, including drafts, and I'll need to schedule tweets. I'd like to use one app to do all of these things if possible. Which of the many Twitter apps, including the native one, will do these things most efficiently using VoiceOver and a Bluetooth keyboard? Thank you.