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.

Mobile social network PapayaMobile has partnered with Zong, Billing Revolution and Adknowledge’s Super Rewards to offer a monetization platform for Android developers.

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.

Mobile Entertainment Forum has launched a new mobile commerce initiative to help brands and retailers understand how to leverage mobile to drive customer acquisition, retention and conversion.

Mobile payments let retailers close the loop on their marketing initiatives and drive revenue via the mobile Web and applications. But what options are out there?

Retailers and merchants of all kinds must focus on delivering a mobile commerce experience in 2010 that is truly optimized for the mobile phone, according to a Billing Revolution executive.

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.

While the United States’ mobile commerce ecosystem still lags behind Asia and even Europe, it is catching up quickly as various players prepare for mobile payments to ramp up significantly.

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