You can try out games on Play store without having to install them first

After launching Instant apps, Google now has launched Google Play Instant games that allows you to play games first and then download it. 

How to install third-party apps without the Google Play Store

Play Games in Google Play Store before installing, Google Play's Instant Try Now Feature

Google play games beta, anyone wanna try? : r/IndianGaming

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Disable GPlaystore App install optimization if your phone's battery is getting drained by Google Play services running in the background. : r/GalaxyS23Ultra

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Google Play Games - Apps on Google Play

Try Games Before You Download Them With Google Play Instant