diff --git a/app/assets/index.html b/app/assets/index.html
index 1c1ad7c..6ec0bf8 100644
--- a/app/assets/index.html
+++ b/app/assets/index.html
@@ -15,9 +15,16 @@
    opacity:1.0
   }
 }
+button {
+font-size:14mm;
+}
 </style>
     <body>
         <h1>Webview</h1>
+        <h2> clicking those buttons starts <a href="https://developer.android.com/reference/android/content/Intent">intents</a> to open those files</h2>
+        <button onclick="myJavaScriptInterface.startActivity('foto.jpg')">foto.jpg</button><br>
+        <button onclick="myJavaScriptInterface.startActivity('test.pdf')">test.pdf</button><br>
+        <button onclick="myJavaScriptInterface.startActivity('index.html')">index.html</button><br>
 <script>
 window.addEventListener("error",(error)=>{
     document.body.innerHTML = "<h1>error</h1><pre>" +
@@ -25,16 +32,6 @@ window.addEventListener("error",(error)=>{
         "\nline:" + error.lineno +
         "\n"+error.message +"</pre>";
 },false);
-
-    window.addEventListener("load",()=>{
-        var count = localStorage.getItem("app-opened-count")|| 0; 
-        count++;
-        localStorage.setItem("app-opened-count",count);
-        var h2 = document.createElement("h2");
-        h2.textContent = "Javascript works! (app was opened " + count + " times)";
-        h2.style.animation="wobble 1s ease-in-out 0s 1 forwards normal running"
-        document.body.appendChild(h2);
-    },false);
 </script>
     </body>
 </html>
diff --git a/app/res/drawable/appicon.xml b/app/res/drawable/appicon.xml
index 2517c9e..068bfc5 100644
--- a/app/res/drawable/appicon.xml
+++ b/app/res/drawable/appicon.xml
@@ -5,5 +5,5 @@
     android:height="100dp">
     <path
         android:pathData="M95 50A45 45 0 0 1 5 50A45 45 0 0 1 95 50Z"
-        android:fillColor="#FF0000" />
+        android:fillColor="#00AA00" />
 </vector>
