My Underground app passes all validation tests except for the Fire 2015 device, which gets an "App Icon contains a blurred 'Actually Free' sash" error. My app is live and I keep having to submit new versions to test this issue, which takes a few days to process and I have to keep increasing the version number. Not good.
I'm using Unity - it looks like many others are too, and they're having similar issues. Can someone at Amazon please post the definitive way to configure your icon settings? Particularly - what should the import settings be on the icon texture, and can you use the single 192x192 icon image and let Unity auto-generate the 144x144 and other icons.