In the "versions" section here, I assume that you are just talking about localization in one application.
If so, the user just needs to buy the application from the App Store, run it on his device, and if he has the Catalan language as the main language, your Catalan localization will be used.
iTunes Connect does not yet support the Catalan language as the storage language, so you cannot publish a Catalan translation of the list of stores, but it should still be displayed in the appropriate language on the user device. According to the iTunes Connect Developer's Guide , the following languages are currently supported for localizing the application description:
- English
- Spanish
- Deutsch
- UK English
-  Canadian English
- French canadian
- Brazilian Portuguese
- Australian English
- French
- Mexican spanish
- Portuguese
- Dutch
- Italian
- Japanese
- Simplified Chinese
- Russian
- Swedish
- Korean
If you want the Catalan language to be added as an additional language in the App Store, please write a promotion request at http://bugreport.apple.com .
Brad larson
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