You do, and you also can pick iPhone. Or not a smartphone. Or not use apps.
> (except recently, and even then, the alternative stores don't behave well for google-based apps).
Google provides planetscale services like Google Maps for free and you want to build apps that use their services but not pay them 15% for their store, and still complain they don't work perfectly? You seem to be outsourcing a lot to Google but expect to give them nothing in return.