Looks like Google's already doing this for apps downloaded from Google Play: > The company also compared its link-out fees to those on Google Play, which charg

Looks like Google's already doing this for apps downloaded from Google Play: > The company also compared its link-out fees to those on Google Play, which charges 20% link-out rates for standard apps, 15% for apps in special programs, and 10% for subscription renewals, noting that Epic Games had agreed to these rates.