Implement Android Telephony or phone locale to get the user's country code. The example code is as follows:

Get country code from Telephony:

fun getCountryFromTelephony(): String? {
    val tm = context.getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
    return tm.simCountryIso ?: tm.networkCountryIso
}

Get country code from phone locale:

fun getCountryFromPhoneLocale(context: Context): String? {
    val locale = context.resources.configuration
    return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
        locale.locales[0].country
    } else {
        locale.locale.country
    }
}

It is recommended to set up the WebView with the following:

webView.settings.javaScriptEnabled = true webViewGamePlay.settings.domStorageEnabled = true
webView.settings.domStorageEnabled = true  
webView.settings.useWideViewPort = true
webView.settings.loadWithOverviewMode = true
webView.settings.allowContentAccess = true
webView.settings.databaseEnabled = true
webView.settings.loadsImagesAutomatically = true

It is required to set up WebChromeClient with the following:

webView.webChromeClient = object: WebChromeClient() {
            override fun onCreateWindow(
                view: WebView?,
                isDialog: Boolean,
                isUserGesture: Boolean,
                resultMsg: Message
            ): Boolean {
                val newWebView = WebView(presenter.presentedView.context)
                val webSettings = newWebView.settings
                webSettings.javaScriptEnabled = true
                val dialog = Dialog(context)
                dialog.setContentView(newWebView)
                dialog.show()
                dialog.window?.setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT)
                newWebView.webChromeClient = object : WebChromeClient() {
                    override fun onCloseWindow(window: WebView) {
                        dialog.dismiss()
                    }
                }
                (resultMsg.obj as WebView.WebViewTransport).webView = newWebView
                resultMsg.sendToTarget()
                return true
            }
        }