Users who install and uninstall immediately are counted in Google Play app's downloads? When a user downloads an app from Google Play, app's download counter is increased no matter if the user uninstalls the app immediately? 

Is there a minimum of time the app must be on the device? 

or a minimum of use (e.g. it must be opened at least once)?
When a user downloads an app from Google Play, app's download counter is increased no matter if the user uninstalls the app immediately? - Yes
Is there a minimum of time the app must be on the device?
or a minimum of use? - No


From Google developer console help , it appears that both are unrelated and counted as discrete events. For instance, Daily Statistics on the console are defined as below . There is no mention of time it stays installed or use


Daily installs by user: Unique users who installed the app on one or more of their devices for the first time in the past day
Daily uninstalls by user: Unique users who uninstalled the app from all of their devices in the past day


From Quora - How does the downloads count for an app in the Google Play Store work, developer Sophia Wang clarifies that installing and uninstalling will not change the number of downloads, which further supports that these two events are not connected in any way for statistics

Billions: How exactly do Apple and Google count app downloads? says &quot;
Both Apple and Google tabulate unique downloads of apps per user account. This means that they count only one download of an app no matter how many devices that you install that app on after you purchase it&quot;