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Just a suggestion instead of providing option if device is supported and not in the interface also add that via google play compatibility matrix if possible. That ways it will be easy going for you too.
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It can be used on any Android 7+ to verify the supported devices so it can't be restricted to only potentially supported devices. It needs to be possible to install it on any potentially supported device (i.e. launched with Android 8 or later) to submit samples from there too.
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Expanding device support can also only happen if samples are submitted from potentially supported devices using the 'Submit sample data' feature. If it was restricted to the already supported devices, device support would never be expanded since samples would never be submitted.
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