Setting iOS application languages in iTunes

I want to set the application language in iTunes. It always shows only English, but I want to show two languages in iTunes. I don’t want to make any changes to the application code, as I’m already managing these two languages by device language.

The sample image contains multiple languages, like English, Chinese, Dutch, and French.

I have the same issue currently, and even if I fill different languages in iTunes Connect, I still have only English. I'll try something else, just by adding en.lproj & xx.lproj (replace xx by country language two caracters code) in my app with some data inside. I think when you submit an app, this is where Apple collect the list of available languages). I hope this will works!