The third-party Disney Expedition app now has FP+ info. On the home screen click the ticket icon at the bottom and it asks you to log on with your Disney credentials. It picked up the reservations I had already made for next week. You can make changes but I haven't tried that.
WARNING: If you already have it this is apparently not an upgrade. I had to pay for it again.
WARNING: If you already have it this is apparently not an upgrade. I had to pay for it again.