SystemLanguage.ChineseSimplified

Указывает, что язык операционной системы — ChineseSimplified.

using UnityEngine;

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