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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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Every device launched with Android 8 or later can theoretically be supported if samples are submitted. It doesn't take much work to add each device to the internal data, as long as they have nothing particularly weird going on.