Q: Helo, I purchased a ne MacBookPro 15" from Germany, I have change the language of system but can't change in iTunes, even I attach my iPhone with laptop, language change in german on App store.

I just purchased a MacBookPro 15" from germany, i have change the language of the system but could not change the languge as English in iTunes store, even I connect my iPhone 4s with laptop the language change in my phone's App store only