I have IOS SDK Pro plugin (U3DXT). Can I get current OS language of user by using this plugin? I need to get language in order to activate one of my language in my language panel.
Yes, using NSLocale.PreferredLanguages
http://u3dxt.com/api/?topic=html/T_U3DXT_iOS_Native_Foundation_NSLocale.htm
Here is a stack overflow question for reference (since we open the entire iOS SDK, most answers about iOS will apply except that the code should be in C# instead of ObjC):