iPhone app with different languages

I would like to know how to add more languages to my app. My app allows user to choose different languages on settings tab, but is there any way different as multiply vie开发者_JAVA技巧ws by number of languages?

This assuming a multilanguage app but, can an app be submitted on app store with different languages? In this case, user will choose desired language to download! possible?? Thank you

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You should provide fully localized version of application to App Store

If you need to change UI layout, elements position, you can do it
see this: http://www.icanlocalize.com/site/tutorials/iphone-applications-localization-guide/

see also:
http://developer.apple.com/internationalization/
http://www.raywenderlich.com/2876/how-to-localize-an-iphone-app-tutorial