We have an app and it is not visible for some users, For example Cining App is not visible on Firestick 4K, This device is under list of compatible devices.
Thanks for posting. Your app has reduced compatibility on some devices.
For more information please refer to the 'Review Status' tab on the App details page in your developer console account, the results can be found by clicking "Details" of "Your Last Activity" section.
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