Yes, you can run any Windows storage application from your application that you need to do is go to http://www.windowsphone.com/url-of-existing-app . this will first open the application in the browser, which will automatically open in the store.
write the following code in the button click event
private void AnotherApp(object sender, RoutedEventArgs e) { WebBrowserTask task = new WebBrowserTask(); task.URL = "http://www.windowsphone.com/en-us/store/app/all-base-to-all-base-converter/869cea08-3a99-4218-8d4f-a631c2fb8f53"; task.Show(); }
the application will first open the application in the browser than automatically, control will be sent to it in the repository.
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