Google Play Games-Sign-in-Android-Auth Service

How to Fix the “Google Play Authentication Is Required” Error on Android

What is Google Play Pass? Pricing, Features, and Best Games and Apps

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HELP! I can't link/log in to Google play account with the game since the last update. It always shows this message. I have Google play installed and logged in. Works with other

How to Fix the “Google Play Authentication Is Required” Error on Android

3 Ways to Log Off Google Play - wikiHow

Why am I getting Authentication required. Sign in to your Google account. - Google Play Community

Integrate Play Games Services with existing identity solution, Android game development