diff --git a/android-client/app/src/main/java/com/navi/client/MainActivity.kt b/android-client/app/src/main/java/com/navi/client/MainActivity.kt
index 3f584cc..29dbb48 100644
--- a/android-client/app/src/main/java/com/navi/client/MainActivity.kt
+++ b/android-client/app/src/main/java/com/navi/client/MainActivity.kt
@@ -24,6 +24,7 @@
 class MainActivity : AppCompatActivity() {
 
     private lateinit var webView: WebView
+    private var serverHost: String = ""
     private var fileChooserCallback: ValueCallback<Array<Uri>>? = null
     private var cameraImageUri: Uri? = null
     private var pendingFileChooserCallback: ValueCallback<Array<Uri>>? = null
@@ -70,6 +71,7 @@
             return
         }
 
+        serverHost = Uri.parse(serverUrl).host ?: ""
         setContentView(R.layout.activity_main)
         WebView.setWebContentsDebuggingEnabled(true)
         webView = findViewById(R.id.webview)
@@ -87,10 +89,20 @@
             mediaPlaybackRequiresUserGesture = false
             allowFileAccess = true
             allowContentAccess = true
+            userAgentString = "$userAgentString NaviAndroid/1.0"
         }
 
         webView.webViewClient = object : WebViewClient() {
-            override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest) = false
+            override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest): Boolean {
+                val host = request.url.host ?: return false
+                if (host == serverHost) return false
+                return try {
+                    startActivity(Intent(Intent.ACTION_VIEW, request.url))
+                    true
+                } catch (e: Exception) {
+                    false
+                }
+            }
 
             override fun onReceivedError(view: WebView, request: WebResourceRequest, error: WebResourceError) {
                 if (request.isForMainFrame) {
diff --git a/webclient/src/composables/usePlatform.js b/webclient/src/composables/usePlatform.js
new file mode 100644
index 0000000..784d967
--- /dev/null
+++ b/webclient/src/composables/usePlatform.js
@@ -0,0 +1 @@
+export const isAndroid = navigator.userAgent.includes('NaviAndroid')