Financial services giant Citi is sponsoring Billing Revolution’s proprietary Single-Click Checkout service that is designed to process credit card transactions in-application or on mobile Web sites.

Billing Revolution has rolled out single-click checkout for the Android platform to let merchants process credit card transactions within applications or on mobile Web sites.

Retail Data Systems partnered with Billing Revolution to mobile commerce-enable its more than 13,000 merchant customers.

PayPal and Billing Revolution have formed a mobile commerce partnership to let merchants conduct mobile credit card transactions using their existing PayPal Payflow Pro gateway accounts.

Mobile marketing and technology firm 3Cinteractive has partnered with mobile commerce enabler Billing Revolution to provide credit card transaction processing on mobile phones.

Mobile production and distribution company Motek Mobile is bringing billing and payment capabilities to its proprietary direct-to-consumer application store.