WinMo is a CE based platform. This is basically a new shell and some "special" APIs (none of which you can do without WinMo, so this is not magic). WinMo has a certain set of applications, libraries, etc., therefore it is more standardized, and if you want to run your application on several devices, this can be of benefit to you in this direction (but in this particular case I doubt that you will buy it )
If you do not have a special need for WinMo, be sure to use a common Windows CE. Thus, you do not have to constantly fight with the shell and the WinMo platform. Of course, it’s easier to make the CE device behave.
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