if an application works with restricted low level system calls, it must obtain a Microsoft Mobile2Market privileged signature. To get a privileged signature, logo certification is now a requirement, not an option! This article shows how to abstract some of the most common issues a developer will encounter when creating a native code application that must be logo certified for each platform. windowsmobile5.0以上版本logo注册例子，可以加入自己的工程文件中。-if an application works with restricted low level system calls, it must obtain a Microsoft Mobile2Market privileged signature. To get a privileged signature, logo certification is now a requirement, not an option! This article shows how to abstract some of the most common issues a developer will encounter when creating a native code application that must be logo certified for each platform. windowsmobile5.0 registered logo above example, you can add it to your project file.