android - Show Google Play Games Welcome Dialog on all app launches - Stack Overflow

The best example of what I am trying to attempt can be described by the behavior of the simcity app (and I'm sure many others that I may be unaware of also using the google sign in for Google play

Developing Android Apps

Official - Tutorial - Authentication with Google Play Games - Unity Forum

Priyanka Sharma, Author at OnGraph: Top Enterprise Web & Mobile App Development Company

From ERMAC to Hook: Investigating the technical differences between two Android malware variants, NCC Group Research Blog

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android - Google Play Game Services - Welcome Popup Inconsistent - Stack Overflow

android - How to show Google play store's Install slider or popup from within my app? - Stack Overflow

Official - Tutorial - Authentication with Google Play Games - Unity Forum

Planet Mozilla

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Micro Focus Desktop Containers 20.0 Documentation

Pop up every time you start the game, requiring google play games in order to play it. Google play is not necessary at all to play the game. : r/assholedesign

Android - DialogFragment Doesn't Display The Entering Animation - Stack Overflow