Since the official Play Store won't always update itself on older firmware, you’ll need to visit a trusted third-party repository.
If you manage to get the store working and want to review an app: Open the app's detail page. Scroll to the section. Tap the stars to rate and select "Write a review" . 6 ways Google Play helps keep you safe google play store apk android 442
for Play Store & Google Play Services after install. Since the official Play Store won't always update