It still requires a button to bring up the prompt. It would be a worse user experience to prompt the user without any warning. Compared to Google being able to

It still requires a button to bring up the prompt. It would be a worse user experience to prompt the user without any warning. Compared to Google being able to do it all in the background. Samsung store can do it as it's bundled with the Samsung phone and installed as a system application that gets the same permissions as Google Play Store. A user can't give these permissions to a user installed app store without turning it into a system application, which isn't possible without root. For example if I tried to install Samsung's store on my Pixel. F-droid is able to do it if you have root: https://gitlab.com/fdroid/privileged-extension/ https://gitlab.com/fdroid/privileged-extension/