Google Play to show review for country and device
Google Play reviews today are displayed globally. So if you're in Italy, you'll see the same rating and reviews as someone in Canada, no matter device used
In November this will change, Google have announced [↗] rating will then be displayed based on the country your profile is registered to
Then in early 2022, ratings will also be separated by form factors such as tablets, Chromebooks and wearables
This will hopefully give you better understanding if the app you want to use in your car through Google Auto, actually is good there and not only works well on an Android phone
Since this can greatly impact reviews for some apps in certain form factors / regions. Google isn't implementing these changes now, but giving the developers some time to adjust for these new ratings to take affect