IZEN Software LLC

Mont Cessna, Principal of iZen Software LLC, recently wrote about direct carrier biller Boku, which has partnered with an online gaming platform that has 300 million players:

Electronic Payment Processor Boku Expands: Carrier Billing Is Big Electronic payment processor Boku has expanded in a big way--Bigpoint SARL and Co. is now one of its customers. Boku uses direct carrier billing to charge.