diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/AppsManagementActivity.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/AppsManagementActivity.java
index 0b4cbd00b..9b4711147 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/AppsManagementActivity.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/AppsManagementActivity.java
@@ -9,6 +9,7 @@ import android.view.LayoutInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.webkit.JavascriptInterface;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 import android.widget.AdapterView;
@@ -23,6 +24,9 @@ import androidx.annotation.Nullable;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import org.json.JSONArray;
+import org.json.JSONObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.R;
@@ -30,11 +34,13 @@ import nodomain.freeyourgadget.gadgetbridge.activities.AbstractGBActivity;
 import nodomain.freeyourgadget.gadgetbridge.devices.DeviceCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
 import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.banglejs.BangleJSDeviceSupport;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.QHybridSupport;
 import nodomain.freeyourgadget.gadgetbridge.util.DeviceHelper;
 import nodomain.freeyourgadget.gadgetbridge.util.GB;
 
 public class AppsManagementActivity extends AbstractGBActivity {
+    private static final Logger LOG = LoggerFactory.getLogger(AppsManagementActivity.class);
     private WebView webView;
     private GBDevice mGBDevice;
     private DeviceCoordinator mCoordinator;
@@ -80,12 +86,49 @@ public class AppsManagementActivity extends AbstractGBActivity {
         }
     };
 
+
+    public class WebViewInterface {
+        Context mContext;
+
+        WebViewInterface(Context c) {
+            mContext = c;
+        }
+
+        @JavascriptInterface
+        public void bangleTx(String data) {
+            LOG.info("WebView RX: " + data);
+            bangleRx("Hello world");
+        }
+
+    }
+
+    // Called when data received from Bangle.js
+    public void bangleRx(String data) {
+        JSONArray s = new JSONArray();
+        s.put(data);
+        String ss = s.toString();
+        final String js = "bangleRx("+ss.substring(1, ss.length()-1)+");";
+        LOG.info("WebView TX cmd: " + js);
+        webView.post(new Runnable() {
+            @Override
+            public void run() {
+                if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) {
+                    webView.evaluateJavascript(js, null);
+                }
+                else {
+                    webView.loadUrl("javascript: "+js);
+                }
+            }
+        });
+    }
+
     private void initViews() {
         //https://stackoverflow.com/questions/4325639/android-calling-javascript-functions-in-webview
         webView = findViewById(R.id.webview);
         webView.setWebViewClient(new WebViewClient());
         webView.getSettings().setJavaScriptEnabled(true);
-        webView.loadUrl("https://banglejs.com/apps/");
+        webView.addJavascriptInterface(new WebViewInterface(this), "Android");
+        webView.loadUrl("https://www.pur3.co.uk/tmp/android.html");
 
         webView.setWebViewClient(new WebViewClient(){
             public void onPageFinished(WebView view, String weburl){