Google to pay $700M and make tiny app store changes to settle with 50 states
theverge.com
theverge.com
> $700,000,000 from Google in total (roughly 21 days of Google’s operating profit from the app store alone)
The commission has little to do with payment systems, and everything to do with platform fees - which is to say, enabling the platform/app store owner to collect money from sales of paid apps (mostly games) as well as "free" apps (mostly games) with paid IAP/DLC.