Read original post at Damian Mehers's Blog
Don’t do this. It’s a bad idea. Best to use resource files to localize your app, and ship a single build of your app to all marketplaces.
Except … We recently submitted an update of an app to the Microsoft Marketplace and checked “all markets”. The submission was rejected by Microsoft because one of the pages in the app uses Bing Maps. It turns out you are not supposed to use the Bing Map control within apps that are available from the Chinese marketplace (see 3.10 here).