Thanks for all the input, everyone.
To answer a few questions:
Tapatalk - We are in talks with them, but those have not reached any actionable business level yet.
Blackberry - We currently have no plans for a Blackberry app.
App access to phone functions -
Hardware controls: Allows photo upload to forum.
Storage: For app's caching functionality.
Location, network communication, phone status: Ad support.
Hope that helps!