Google has quietly expanded its “User Choice Billing” pilot to let more developers of non-gaming Android apps offer third-party payment options as alternatives to Google Play’s. Developers will see their service fees of 15 to 30 percent reduced by 4 percent when users select a new third-party billing option, which the developer — not Google — must support in case of customer issues. The news was first reported by 9to5Google.
Now, as of September 1st, registered developers from…