Using the app, I constantly need to switch from sorted by Name to sorted by Modified, and vice-versa, depending on which folder I'm in. At the moment this is an unwieldy tap plus select, whereas it could be a simple tap on a Name (or Modified or Size) button at the top of each folder. Even better, each folder would remember how it was last sorted, as I tend to have to redo the sorting in the same way each time.