Google Forcing Android Developers To Use Google Wallet

Allstair Barr, writing for Reuters:

Google warned several developers in recent months that if they continued to use other payment methods - such as PayPal, Zong and Boku - their apps would be removed from Android Market, now known as Google Play… Google’s payment service charges a higher cut per transaction than some rivals’. But the move also suggests Google is using its powerful position in the mobile apps market to promote an in-house offering. Marco Arment aptly sums it up: "Open".