Application.systemLanguage

static var systemLanguage : SystemLanguage

Description

The language the user's operating system is running in.

You can use this to automatically pick a localization for your content based on the user's system language.

JavaScripts

// Prints to a guiText the actual language that the system is using.
guiText.text = Application.systemLanguage.ToString();

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
void Awake() {
guiText.text = Application.systemLanguage.ToString();
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

def Awake():
guiText.text = Application.systemLanguage.ToString()