If your app is already live, just open iTunes Connect, find the app, and click View in the AppStore. Otherwise, if your application does not work ...
The URL of your application is not available until your application appears live, but most applications follow the same pattern:
http://itunes.com/apps/yourappnamewithoutspaces
Make sure the application name does not have spaces, or% 20 or any characters. My applications in the AppStore have special characters, such as dashes, etc., And the link is just a text form of the name of the application.
The name in the link will be the name displayed on the AppStore NOT iOS device . And by the name of the iTunes Connect Project, I believe that you are referencing the name of the AppStore.
Here's another SO link for links: How to link apps to app store
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