Yeah, not only that, but you can apparently register your iOS app as a routing app for Maps, and its content will be integrated into the Maps app for users who

Yeah, not only that, but you can apparently register your iOS app as a routing app for Maps, and its content will be integrated into the Maps app for users who install it. http://appleinsider.com/articles/12/09/20/embark_garmin_add_public_transit_support_for_apples_ios_6_maps http://appleinsider.com/articles/12/09/20/embark_garmin_add_...