Mar 17, 2014 (Mon): Boku announced that Sony has selected Boku as its mobile payment service provider. Under the partnership, customers of PlayStationStore and Sony Entertainment Network in Japan able to purchase contents on desktop and mobile devices using their mobile phone account of NTT docomo and au KDDI.
Sony Taps Boku Direct Carrier Billing Service
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Sony Extends Direct Carrier Billing via Boku Outside Japan 
Boku Offers Carrier-Based Billing Option to Sony PS3 and PS4 Customers in Japan 
MasterCard Partners with NTT DOCOMO in Contactless Payments