SystemLanguage.Arabic

Указывает, что языком операционной системы является арабский.

using UnityEngine;

public class Example : MonoBehaviour
{
    void Start()
    {
        //This checks if your computer's operating system is in the Arabic language
        if (Application.systemLanguage == SystemLanguage.Arabic)
        {
            //Outputs into console that the system is Arabic
            Debug.Log("This system is in Arabic. ");
        }
    }
}