Domino?s Pizza is proving that it is a force to reckon with in the mobile ordering arena with a new Android application that lets pizza lovers order their favorite meals no matter where they are.

Mobile is playing an increasingly important role for daily deals business Groupon, which reported this week that 25 percent of its offers were purchased via a mobile device in December 2011. 

Registration is open for the Mcommerce Summit: State of Mobile Commerce 2012 conference Thursday, May 3 with speakers from Citi, Zappos, Travelocity, 7-Eleven licensee Alon Brands and mall giant General Growth Properties. Must-attend New York event for retailers and marketers.

Seamless is continuing to build its mobile presence with a new iPad application that lets hungry consumers order from their favorite restaurants. 

Following the launch of its first mobile-optimized site in the late fall, Sundance Catalog saw the number of orders placed via a mobile device increase by 2.1 times and mobile revenue increase by 2.4 times in the fourth quarter of 2011.

Valpak is helping busy consumer save money while they shop with two redesigned applications that now include deals and personalized features. 

It makes no sense to spend $1 million-plus hosting a site for your desktop users and then investing in a smaller scale third-party hosting service for your mobile users.