net mobile connects Japanese operator to the Google platform.
Android is gaining market share in Japan alongside iPhone as the western smartphone platforms slowly edge out the long-established handset incumbents.
According to GfK Retail and Technology, the platform has increased market share in Asia from 3 per cent to 31 per cent since the beginning of 2010.
This move by DoCoMo can only help to speed this process up, meaning that customers on Android can pay for apps via their mobile phone bill rather than credit card or Google Checkout.
It's actually one of the few examples of carrier billing coming to Android, although AT&T and T-Mobile offer it.
"Users more and more appreciate the advantages of smartphones and mobile payment solutions." said Theodor Niehues, CEO of net mobile AG.
"The risks generally associated with payment transactions such as the disclosure of private credit card information are a thing of the past. Therefore, the net mobile AG plans to further expand its global business with mobile payment solutions."
net mobile is a wholly owned subsiadiary of NTT DoCoMo.