Has the "Flow" feature been removed from the Amazon iOS app?

Is it just me or is the "Flow" option missing for everyone in the new update. Is this related to making "Firefly" an exclusive Fire Phone feature? The standalone Flow app is still in the iTunes Store though.


Related :
1. Amazon's 'Flow' uses your iPhone's camera to make a shopping list
2. Amazon's Fire Phone recognizes everything around you with 'Firefly'