diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 120e6c741..0e0ab834b 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -468,6 +468,11 @@
         <activity
             android:name=".activities.AndroidPairingActivity"
             android:label="@string/title_activity_android_pairing" />
+        <activity
+            android:name=".devices.banglejs.AppsManagementActivity"
+            android:label="@string/title_activity_appmanager"
+            android:launchMode="singleTop"
+            android:parentActivityName=".activities.ControlCenterv2" />
         <activity
             android:name=".devices.miband.MiBandPairingActivity"
             android:label="@string/title_activity_mi_band_pairing" />
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSettingsPreferenceConst.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSettingsPreferenceConst.java
index 3dd558dc3..a07af38d8 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSettingsPreferenceConst.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSettingsPreferenceConst.java
@@ -45,6 +45,7 @@ public class DeviceSettingsPreferenceConst {
     public static final String PREF_DEVICE_INTENTS = "device_intents";
 
     public static final String PREF_BANGLEJS_TEXT_BITMAP = "banglejs_text_bitmap";
+    public static final String PREF_BANGLEJS_WEBVIEW_URL = "banglejs_webview_url";
 
     public static final String PREF_DISCONNECT_NOTIFICATION = "disconnect_notification";
     public static final String PREF_DISCONNECT_NOTIFICATION_START = "disconnect_notification_start";
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
new file mode 100644
index 000000000..7e9e8105c
--- /dev/null
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/AppsManagementActivity.java
@@ -0,0 +1,188 @@
+package nodomain.freeyourgadget.gadgetbridge.devices.banglejs;
+
+import static nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSettingsPreferenceConst.PREF_DEVICE_INTERNET_ACCESS;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.webkit.JavascriptInterface;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.PopupMenu;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+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 java.io.IOException;
+
+import nodomain.freeyourgadget.gadgetbridge.GBApplication;
+import nodomain.freeyourgadget.gadgetbridge.R;
+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.btle.TransactionBuilder;
+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;
+import nodomain.freeyourgadget.gadgetbridge.util.Prefs;
+import static nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSettingsPreferenceConst.PREF_BANGLEJS_WEBVIEW_URL;
+
+public class AppsManagementActivity extends AbstractGBActivity {
+    private static final Logger LOG = LoggerFactory.getLogger(AppsManagementActivity.class);
+
+    private WebView webView;
+    private GBDevice mGBDevice;
+    private DeviceCoordinator mCoordinator;
+    /// It seems we can get duplicate broadcasts sometimes - so this helps to avoid that
+    private int deviceRxSeq = -1;
+
+    public AppsManagementActivity() {
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_banglejs_apps_management);
+
+        Intent intent = getIntent();
+        Bundle bundle = intent.getExtras();
+        if (bundle != null) {
+            mGBDevice = bundle.getParcelable(GBDevice.EXTRA_DEVICE);
+        } else {
+            throw new IllegalArgumentException("Must provide a device when invoking this activity");
+        }
+        mCoordinator = DeviceHelper.getInstance().getCoordinator(mGBDevice);
+    }
+
+    private void toast(String data) {
+        GB.toast(data, Toast.LENGTH_LONG, GB.INFO);
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        webView.destroy();
+        webView = null;
+        LocalBroadcastManager.getInstance(this).unregisterReceiver(deviceUpdateReceiver);
+        finish();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        IntentFilter commandFilter = new IntentFilter();
+        commandFilter.addAction(GBDevice.ACTION_DEVICE_CHANGED);
+        commandFilter.addAction(BangleJSDeviceSupport.BANGLEJS_COMMAND_RX);
+        LocalBroadcastManager.getInstance(this).registerReceiver(deviceUpdateReceiver, commandFilter);
+        initViews();
+    }
+
+    BroadcastReceiver deviceUpdateReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            switch (intent.getAction()) {
+                case BangleJSDeviceSupport.BANGLEJS_COMMAND_RX: {
+                    String data = String.valueOf(intent.getExtras().get("DATA"));
+                    int seq = intent.getIntExtra("SEQ",0);
+                    LOG.info("WebView TX: " + data + "("+seq+")");
+                    if (seq==deviceRxSeq) {
+                        LOG.info("WebView TX DUPLICATE AND IGNORED");
+                    } else {
+                        deviceRxSeq = seq;
+                        bangleRxData(data);
+                    }
+                    break;
+                }
+            }
+        }
+    };
+
+    public class WebViewInterface {
+        Context mContext;
+
+        WebViewInterface(Context c) {
+            mContext = c;
+        }
+
+        /// Called from the WebView when data needs to be sent to the Bangle
+        @JavascriptInterface
+        public void bangleTx(String data) {
+            LOG.info("WebView RX: " + data);
+            bangleTxData(data);
+        }
+
+    }
+
+    // Called when data received from Bangle.js - push data to the WebView
+    public void bangleRxData(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);
+        if (webView!=null) 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);
+                }
+            }
+        });
+    }
+
+    // Called to send data to Bangle.js
+    public void bangleTxData(String data) {
+        Intent intent = new Intent(BangleJSDeviceSupport.BANGLEJS_COMMAND_TX);
+        intent.putExtra("DATA", data);
+        LocalBroadcastManager.getInstance(this).sendBroadcast(intent);
+    }
+
+    private void initViews() {
+        //https://stackoverflow.com/questions/4325639/android-calling-javascript-functions-in-webview
+        webView = findViewById(R.id.webview);
+        webView.setWebViewClient(new WebViewClient());
+        WebSettings settings = webView.getSettings();
+        settings.setJavaScriptEnabled(true);
+        settings.setDatabaseEnabled(true);
+        settings.setDomStorageEnabled(true);
+        settings.setUseWideViewPort(true);
+        settings.setLoadWithOverviewMode(true);
+        String databasePath = this.getApplicationContext().getDir("database", Context.MODE_PRIVATE).getPath();
+        settings.setDatabasePath(databasePath);
+        webView.addJavascriptInterface(new WebViewInterface(this), "Android");
+        webView.setWebContentsDebuggingEnabled(true); // FIXME
+
+        Prefs devicePrefs = new Prefs(GBApplication.getDeviceSpecificSharedPrefs(mGBDevice.getAddress()));
+        String url = devicePrefs.getString(PREF_BANGLEJS_WEBVIEW_URL, "").trim();
+        if (url.isEmpty()) url = "https://banglejs.com/apps/android.html";
+        webView.loadUrl(url);
+
+        webView.setWebViewClient(new WebViewClient(){
+            public void onPageFinished(WebView view, String weburl){
+                //webView.loadUrl("javascript:showToast('WebView in Espruino')");
+            }
+        });
+    }
+}
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/BangleJSCoordinator.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/BangleJSCoordinator.java
index ea5a39764..6a9416a97 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/BangleJSCoordinator.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/BangleJSCoordinator.java
@@ -34,6 +34,7 @@ import java.util.Vector;
 import nodomain.freeyourgadget.gadgetbridge.BuildConfig;
 import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.R;
+import nodomain.freeyourgadget.gadgetbridge.activities.appmanager.AppManagerActivity;
 import nodomain.freeyourgadget.gadgetbridge.devices.AbstractDeviceCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.InstallHandler;
 import nodomain.freeyourgadget.gadgetbridge.devices.SampleProvider;
@@ -135,21 +136,18 @@ public class BangleJSCoordinator extends AbstractDeviceCoordinator {
         return true;
     }
 
-    @Override
-    public boolean supportsAppsManagement() {
-        return false;
-    }
-
     @Override
     public int getAlarmSlotCount() {
         return 10;
     }
 
     @Override
-    public Class<? extends Activity> getAppsManagementActivity() {
-        return null;
-    }
+    public boolean supportsAppsManagement() { return BuildConfig.INTERNET_ACCESS; }
 
+    @Override
+    public Class<? extends Activity> getAppsManagementActivity() {
+        return BuildConfig.INTERNET_ACCESS ? AppsManagementActivity.class : null;
+    }
 
     @Override
     protected void deleteDevice(@NonNull GBDevice gbDevice, @NonNull Device device, @NonNull DaoSession session) {
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
index c9cdd7b56..647f96487 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
@@ -258,9 +258,8 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
 
     /// Write a string of data, and chunk it up
     private void uartTx(TransactionBuilder builder, String str) {
+        byte[] bytes = str.getBytes(StandardCharsets.ISO_8859_1);
         LOG.info("UART TX: " + str);
-        byte[] bytes;
-        bytes = str.getBytes(StandardCharsets.ISO_8859_1);
         // FIXME: somehow this is still giving us UTF8 data when we put images in strings. Maybe JSON.stringify is converting to UTF-8?
         for (int i=0;i<bytes.length;i+=mtuSize) {
             int l = bytes.length-i;
@@ -271,26 +270,69 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
         }
     }
 
+    /// Converts an object to a JSON string. see jsonToString
+    private String jsonToStringInternal(Object v) {
+        if (v instanceof String) {
+            /* Convert a string, escaping chars we can't send over out UART connection */
+            String s = (String)v;
+            String json = "\"";
+            for (int i=0;i<s.length();i++) {
+                int ch = (int)s.charAt(i);
+                if (ch<8) json += "\\"+ch;
+                else if (ch==8) json += "\\b";
+                else if (ch==9) json += "\\t";
+                else if (ch==10) json += "\\n";
+                else if (ch==11) json += "\\v";
+                else if (ch==12) json += "\\f";
+                else if (ch==34) json += "\\\""; // quote
+                else if (ch==92) json += "\\\\"; // slash
+                else if (ch<32 || ch==26 || ch==27 || ch==127 || ch==173) json += "\\x"+Integer.toHexString((ch&255)|256).substring(1);
+                else json += s.charAt(i);
+            }
+            return json + "\"";
+        } else if (v instanceof JSONArray) {
+            JSONArray a = (JSONArray)v;
+            String json = "[";
+            for (int i=0;i<a.length();i++) {
+                if (i>0) json += ",";
+                Object o = null;
+                try {
+                    o = a.get(i);
+                } catch (JSONException e) {
+                    LOG.warn("jsonToString array error: " + e.getLocalizedMessage());
+                }
+                json += jsonToStringInternal(o);
+            }
+            return json+"]";
+        } else if (v instanceof JSONObject) {
+            JSONObject obj = (JSONObject)v;
+            String json = "{";
+            Iterator<String> iter = obj.keys();
+            while (iter.hasNext()) {
+                String key = iter.next();
+                Object o = null;
+                try {
+                    o = obj.get(key);
+                } catch (JSONException e) {
+                    LOG.warn("jsonToString object error: " + e.getLocalizedMessage());
+                }
+                json += key+":"+jsonToStringInternal(o);
+                if (iter.hasNext()) json+=",";
+            }
+            return json+"}";
+        } // else int/double/null
+        return v.toString();
+    }
 
-    /// Write a string of data, and chunk it up
+    /// Convert a JSON object to a JSON String (NOT 100% JSON compliant)
     public String jsonToString(JSONObject jsonObj) {
-        String json = jsonObj.toString();
-        // toString creates '\u0000' instead of '\0'
-        // FIXME: there have got to be nicer ways of handling this - maybe we just make our own JSON.toString (see below)
-        json = json.replaceAll("\\\\u000([01234567])", "\\\\$1");
-        json = json.replaceAll("\\\\u00([0123456789abcdef][0123456789abcdef])", "\\\\x$1");
-        return json;
-        /*String json = "{";
-        Iterator<String> iter = jsonObj.keys();
-        while (iter.hasNext()) {
-            String key = iter.next();
-            Object v = jsonObj.get(key);
-            if (v instanceof Integer) {
-                // ...
-            } else // ..
-            if (iter.hasNext()) json+=",";
-        }
-        return json+"}";*/
+        /* jsonObj.toString() works but breaks char codes>128 (encodes as UTF8?) and also uses
+        \u0000 when just \0 would do (and so on).
+
+        So we do it manually, which can be more compact anyway.
+        This is JSON-ish, so not exactly as per JSON1 spec but good enough for Espruino.
+        */
+        return jsonToStringInternal(jsonObj);
     }
 
     /// Write a JSON object of data
@@ -327,10 +369,10 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
 
     private void handleUartRxLine(String line) {
         LOG.info("UART RX LINE: " + line);
-
+        if (line.length()==0) return;
         if (">Uncaught ReferenceError: \"GB\" is not defined".equals(line))
           GB.toast(getContext(), "Gadgetbridge plugin not installed on Bangle.js", Toast.LENGTH_LONG, GB.ERROR);
-        else if (line.length() > 0 && line.charAt(0)=='{') {
+        else if (line.charAt(0)=='{') {
             // JSON - we hope!
             try {
                 JSONObject json = new JSONObject(line);
@@ -567,6 +609,11 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
                 receivedLine = receivedLine.substring(p+1);
                 handleUartRxLine(line);
             }
+            // Send an intent with new data
+            Intent intent = new Intent(BangleJSDeviceSupport.BANGLEJS_COMMAND_RX);
+            intent.putExtra("DATA", packetStr);
+            intent.putExtra("SEQ", bangleCommandSeq++);
+            LocalBroadcastManager.getInstance(getContext()).sendBroadcast(intent);
         }
         return false;
     }
diff --git a/app/src/main/res/layout/activity_banglejs_apps_management.xml b/app/src/main/res/layout/activity_banglejs_apps_management.xml
new file mode 100644
index 000000000..08188a975
--- /dev/null
+++ b/app/src/main/res/layout/activity_banglejs_apps_management.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <WebView
+            android:id="@+id/webview"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+    </LinearLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index e0ca45df0..e7eb1ca37 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -182,6 +182,8 @@
     <string name="pref_summary_transliteration">Enable this if your device has no support for your language\'s font</string>
     <string name="pref_title_banglejs_text_bitmap">Text as Bitmaps</string>
     <string name="pref_summary_banglejs_text_bitmap">If a word cannot be rendered with the watch\'s font, render it to a bitmap in Gadgetbridge and display the bitmap on the watch</string>
+    <string name="pref_title_banglejs_webview_url">App loader URL</string>
+    <string name="pref_summary_banglejs_webview_url">If you want a custom app loader put your https://…/android.html URL here. Otherwise leave blank for https://banglejs.com/apps</string>
     <string name="pref_title_rtl">Right-To-Left</string>
     <string name="pref_summary_rtl">Enable this if your device can not show right-to-left languages</string>
     <string name="pref_rtl_max_line_length">Right-To-Left Max Line Length</string>
diff --git a/app/src/main/res/xml/devicesettings_banglejs.xml b/app/src/main/res/xml/devicesettings_banglejs.xml
index 9270f8baf..60395238b 100644
--- a/app/src/main/res/xml/devicesettings_banglejs.xml
+++ b/app/src/main/res/xml/devicesettings_banglejs.xml
@@ -6,4 +6,10 @@
         android:key="banglejs_text_bitmap"
         android:summary="@string/pref_summary_banglejs_text_bitmap"
         android:title="@string/pref_title_banglejs_text_bitmap" />
-</androidx.preference.PreferenceScreen>
\ No newline at end of file
+    <EditTextPreference
+        android:defaultValue=""
+        android:icon="@drawable/ic_engineering"
+        android:key="banglejs_webview_url"
+        android:summary="@string/pref_summary_banglejs_webview_url"
+        android:title="@string/pref_title_banglejs_webview_url" />
+</androidx.preference.PreferenceScreen>