Two things: 1. The calculation averages the gains throughout ALL apps - given the vast majority of the apps are free, that means the paid ones are getting a l

Two things: 1. The calculation averages the gains throughout ALL apps - given the vast majority of the apps are free, that means the paid ones are getting a lot more revenue (individually) 2. It doesn't take into consideration advertising revenues (admob et all), which represent a considerable chunk of revenue for a lot of apps...