As a Verizon Wireless partner developer, you will want to make sure that you utilize the appropriate SDKs which are available for your corresponding device OS. For information about developing applications on the Windows Mobile OS, please visit http://www.microsoft.com/windowsmobile/developers/default.mspx. For information about developing an application on the RIM OS, please visit http://na.blackberry.com/eng/developers/. In addition to these resources, please also make sure to examine the guidelines available at: Intertek's website. These documents provide all of the information needed to ensure that your application may be successfully downloaded over the Verizon Wireless network.