diff --git a/Events.php b/Events.php
index 7a3c08e..b97c702 100644
--- a/Events.php
+++ b/Events.php
@@ -11,6 +11,8 @@
 use humhub\modules\fcmPush\services\DriverService;
 use humhub\modules\fcmPush\widgets\PushNotificationInfoWidget;
 use humhub\modules\notification\targets\MobileTargetProvider;
+use humhub\modules\ui\menu\MenuLink;
+use humhub\modules\user\widgets\AccountTopMenu;
 use humhub\modules\user\widgets\AuthChoice;
 use humhub\modules\web\pwa\controllers\ManifestController;
 use humhub\modules\web\pwa\controllers\ServiceWorkerController;
@@ -20,9 +22,6 @@
 
 class Events
 {
-    private const SESSION_VAR_LOGOUT = 'mobileAppHandleLogout';
-    private const SESSION_VAR_LOGIN = 'mobileAppHandleLogin';
-
     public static function onBeforeRequest()
     {
         /** @var Module $module */
@@ -88,16 +87,30 @@ public static function onNotificationInfoWidget($event)
 
     public static function onLayoutAddonInit($event)
     {
-        if (Yii::$app->session->has(self::SESSION_VAR_LOGOUT)) {
-            MobileAppHelper::unregisterNotificationScript(); // Before Logout
-            MobileAppHelper::registerLogoutScript();
-            Yii::$app->session->remove(self::SESSION_VAR_LOGOUT);
+        // If the mobile app Opener page is open (after login and switching instance)
+        if (Yii::$app->session->has(MobileAppHelper::SESSION_VAR_HIDE_OPENER)) {
+            MobileAppHelper::registerHideOpenerScript();
+            Yii::$app->session->remove(MobileAppHelper::SESSION_VAR_HIDE_OPENER);
+        } elseif (MobileAppHelper::openerState()) {
+            MobileAppHelper::registerHideOpenerScript();
         }
 
-        if (Yii::$app->session->has(self::SESSION_VAR_LOGIN)) {
-            MobileAppHelper::registerLoginScript();
+        // After login
+        if (Yii::$app->session->has(MobileAppHelper::SESSION_VAR_REGISTER_NOTIFICATION)) {
             MobileAppHelper::registerNotificationScript();
-            Yii::$app->session->remove(self::SESSION_VAR_LOGIN);
+            Yii::$app->session->remove(MobileAppHelper::SESSION_VAR_REGISTER_NOTIFICATION);
+        }
+
+        // Before logout
+        if (Yii::$app->session->has(MobileAppHelper::SESSION_VAR_UNREGISTER_NOTIFICATION)) {
+            MobileAppHelper::unregisterNotificationScript();
+            Yii::$app->session->remove(MobileAppHelper::SESSION_VAR_UNREGISTER_NOTIFICATION);
+        }
+
+        // After logout
+        if (Yii::$app->session->has(MobileAppHelper::SESSION_VAR_SHOW_OPENER)) {
+            MobileAppHelper::registerShowOpenerScript();
+            Yii::$app->session->remove(MobileAppHelper::SESSION_VAR_SHOW_OPENER);
         }
 
         if (Yii::$app->user->isGuest) {
@@ -115,14 +128,16 @@ public static function onLayoutAddonInit($event)
         FirebaseAsset::register(Yii::$app->view);
     }
 
-    public static function onAfterLogout()
+    public static function onAfterLogin()
     {
-        Yii::$app->session->set(self::SESSION_VAR_LOGOUT, 1);
+        Yii::$app->session->set(MobileAppHelper::SESSION_VAR_HIDE_OPENER, 1);
+        Yii::$app->session->set(MobileAppHelper::SESSION_VAR_REGISTER_NOTIFICATION, 1);
     }
 
-    public static function onAfterLogin()
+    public static function onAfterLogout()
     {
-        Yii::$app->session->set(self::SESSION_VAR_LOGIN, 1);
+        Yii::$app->session->set(MobileAppHelper::SESSION_VAR_UNREGISTER_NOTIFICATION, 1);
+        Yii::$app->session->set(MobileAppHelper::SESSION_VAR_SHOW_OPENER, 1);
     }
 
     public static function onAuthChoiceBeforeRun(Event $event)
@@ -137,4 +152,26 @@ public static function onAuthChoiceBeforeRun(Event $event)
             $sender->setClients([]);
         }
     }
+
+    public static function onAccountTopMenuInit(Event $event)
+    {
+        if (!MobileAppHelper::isMultiInstanceApp()) {
+            return;
+        }
+
+        /** @var AccountTopMenu $menu */
+        $menu = $event->sender;
+
+        $menu->addEntry(new MenuLink([
+            'label' => Yii::t('FcmPushModule.base', 'Switch network'),
+            'url' => ['/fcm-push/mobile-app/instance-opener'],
+            'icon' => 'arrows-h',
+            'sortOrder' => 699, // Just before "Logout"
+            'isActive' => true,
+            'isVisible' => true,
+            'htmlOptions' => [
+                'data-pjax' => '0', // Force full page refresh to trigger the onLayoutAddonInit event
+            ],
+        ]));
+    }
 }
diff --git a/components/MailerMessage.php b/components/MailerMessage.php
index dcd3b58..b3c8709 100644
--- a/components/MailerMessage.php
+++ b/components/MailerMessage.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @link https://www.humhub.org/
  * @copyright Copyright (c) HumHub GmbH & Co. KG
diff --git a/components/UrlRule.php b/components/UrlRule.php
index 2153d8f..6b2756f 100644
--- a/components/UrlRule.php
+++ b/components/UrlRule.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @link https://www.humhub.org/
  * @copyright Copyright (c) HumHub GmbH & Co. KG
diff --git a/config.php b/config.php
index 4216cf3..9491c93 100644
--- a/config.php
+++ b/config.php
@@ -3,13 +3,15 @@
 
 /** @noinspection MissedFieldInspection */
 
-use humhub\modules\fcmPush\Events;
 use humhub\components\Controller;
-//use humhub\modules\notification\widgets\NotificationInfoWidget;
+use humhub\modules\fcmPush\Events;
+use humhub\modules\user\components\User;
+use humhub\modules\user\widgets\AccountTopMenu;
 use humhub\modules\user\widgets\AuthChoice;
 use humhub\widgets\LayoutAddons;
 use yii\base\Application;
-use humhub\modules\user\components\User;
+
+//use humhub\modules\notification\widgets\NotificationInfoWidget;
 
 return [
     'id' => 'fcm-push',
@@ -20,10 +22,11 @@
         ['humhub\modules\web\pwa\controllers\ServiceWorkerController', Controller::EVENT_INIT, [Events::class, 'onServiceWorkerControllerInit']],
         [LayoutAddons::class, LayoutAddons::EVENT_INIT, [Events::class, 'onLayoutAddonInit']],
         [Application::class, Application::EVENT_BEFORE_REQUEST, [Events::class, 'onBeforeRequest']],
-        [User::class, User::EVENT_AFTER_LOGOUT, [Events::class, 'onAfterLogout']],
         [User::class, User::EVENT_AFTER_LOGIN, [Events::class, 'onAfterLogin']],
+        [User::class, User::EVENT_AFTER_LOGOUT, [Events::class, 'onAfterLogout']],
         [AuthChoice::class, AuthChoice::EVENT_BEFORE_RUN, [Events::class, 'onAuthChoiceBeforeRun']],
-        //[NotificationInfoWidget::class, \humhub\widgets\BaseStack::EVENT_RUN, [Events::class, 'onNotificationInfoWidget']]
+        //[NotificationInfoWidget::class, \humhub\widgets\BaseStack::EVENT_RUN, [Events::class, 'onNotificationInfoWidget']],
+        [AccountTopMenu::class, AccountTopMenu::EVENT_INIT, [Events::class, 'onAccountTopMenuInit']],
     ],
     'consoleControllerMap' => [
         'firebase' => 'humhub\modules\fcmPush\commands\SendController',
diff --git a/controllers/AdminController.php b/controllers/AdminController.php
index b072f02..e4c5045 100644
--- a/controllers/AdminController.php
+++ b/controllers/AdminController.php
@@ -3,8 +3,10 @@
 namespace humhub\modules\fcmPush\controllers;
 
 use humhub\modules\admin\components\Controller;
-use humhub\modules\fcmPush\models\ConfigureForm;
+use humhub\modules\admin\notifications\NewVersionAvailable;
+use humhub\modules\fcmPush\models\FcmUser;
 use humhub\modules\fcmPush\Module;
+use humhub\modules\user\models\User;
 use Yii;
 
 /**
@@ -26,4 +28,34 @@ public function actionIndex()
         return $this->render('index', ['model' => $model]);
     }
 
+    /**
+     * @return string
+     */
+    public function actionMobileApp()
+    {
+        if (Yii::$app->request->get('triggerNotification') == 1) {
+
+            /** @var User $user */
+            $user = Yii::$app->user->getIdentity();
+
+            $updateNotification = new NewVersionAvailable();
+            $updateNotification->sendBulk(User::find()->where(['user.id' => $user->id]));
+            $this->view->setStatusMessage('success', 'Notification queued!');
+            return $this->redirect('mobile-app');
+        }
+
+        if (Yii::$app->request->get('deleteToken') != "") {
+            $t = FcmUser::findOne(['id' => Yii::$app->request->get('deleteToken')]);
+            if ($t->delete() !== false) {
+                $this->view->setStatusMessage('success', 'Token deleted!');
+                return $this->redirect('mobile-app');
+            }
+
+            $this->view->setStatusMessage('warning', 'Token NOT deleted!');
+            return $this->redirect('mobile-app');
+        }
+
+        return $this->render('mobile-app');
+    }
+
 }
diff --git a/controllers/MobileAppController.php b/controllers/MobileAppController.php
index 068d498..2c8a16b 100644
--- a/controllers/MobileAppController.php
+++ b/controllers/MobileAppController.php
@@ -2,45 +2,18 @@
 
 namespace humhub\modules\fcmPush\controllers;
 
-use humhub\modules\admin\components\Controller;
-use humhub\modules\admin\notifications\NewVersionAvailable;
-use humhub\modules\fcmPush\models\FcmUser;
-use humhub\modules\user\models\User;
+use humhub\components\Controller;
+use humhub\modules\fcmPush\helpers\MobileAppHelper;
 use Yii;
 
 class MobileAppController extends Controller
 {
-    /**
-     * Renders the index view for the module
-     *
-     * @return string
-     */
-    public function actionIndex()
+    public function actionInstanceOpener()
     {
+        // Send to the mobile app to display the instance opener
+        Yii::$app->session->set(MobileAppHelper::SESSION_VAR_SHOW_OPENER, 1);
 
-        if (Yii::$app->request->get('triggerNotification') == 1) {
-
-            /** @var User $user */
-            $user = Yii::$app->user->getIdentity();
-
-            $updateNotification = new NewVersionAvailable();
-            $updateNotification->sendBulk(User::find()->where(['user.id' => $user->id]));
-            $this->view->setStatusMessage('success', 'Notification queued!');
-            return $this->redirect('index');
-        }
-
-        if (Yii::$app->request->get('deleteToken') != "") {
-            $t = FcmUser::findOne(['id' => Yii::$app->request->get('deleteToken')]);
-            if ($t->delete() !== false) {
-                $this->view->setStatusMessage('success', 'Token deleted!');
-                return $this->redirect('index');
-            } else {
-                $this->view->setStatusMessage('warning', 'Token NOT deleted!');
-                return $this->redirect('index');
-            }
-        }
-
-        return $this->render('index');
+        // Stay on the same page, because when we come back from the mobile app to this instance
+        return $this->htmlRedirect(Yii::$app->request->referrer);
     }
-
 }
diff --git a/controllers/WellKnownController.php b/controllers/WellKnownController.php
index 281c91e..ef74625 100644
--- a/controllers/WellKnownController.php
+++ b/controllers/WellKnownController.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @link https://www.humhub.org/
  * @copyright Copyright (c) HumHub GmbH & Co. KG
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 4ba8552..1e6dcb5 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -4,6 +4,7 @@ Changelog
 2.1.1 (unreleased)
 ------------------------
 - Fix #58: iOS mobile app detection for iPad devices
+- Enh #60: For Multi-Instance apps, add a new item in the account menu to display the Opener app page, allowing to switch to the other HumHub instance
 
 2.1.0 (October 21, 2024)
 ------------------------
diff --git a/helpers/MobileAppHelper.php b/helpers/MobileAppHelper.php
index 9d655cb..cc24527 100644
--- a/helpers/MobileAppHelper.php
+++ b/helpers/MobileAppHelper.php
@@ -8,9 +8,16 @@
 
 class MobileAppHelper
 {
-    public static function registerLoginScript()
-    {
+    public const SESSION_VAR_SHOW_OPENER = 'mobileAppShowOpener';
+    /**
+     * @deprecated Remove when minimal HumHub mobile app support is v1.0.124 and later
+     */
+    public const SESSION_VAR_HIDE_OPENER = 'mobileAppHideOpener';
+    public const SESSION_VAR_REGISTER_NOTIFICATION = 'mobileAppRegisterNotification';
+    public const SESSION_VAR_UNREGISTER_NOTIFICATION = 'mobileAppUnregisterNotification';
 
+    public static function registerHideOpenerScript()
+    {
         if (!static::isAppRequest()) {
             return;
         }
@@ -21,7 +28,7 @@ public static function registerLoginScript()
         self::sendFlutterMessage($message);
     }
 
-    public static function registerLogoutScript()
+    public static function registerShowOpenerScript()
     {
         if (!static::isAppRequest()) {
             return;
@@ -90,4 +97,28 @@ public static function isIosApp(): bool
             static::isAppRequest()
             && Yii::$app->request->headers->get('x-humhub-app-is-ios');
     }
+
+    /**
+     * True if the mobile app supports multi instance to display the Opener landing page without logout for switching instance
+     *
+     * @since HumHub mobile app v1.0.124
+     */
+    public static function isMultiInstanceApp(): bool
+    {
+        return
+            static::isAppRequest()
+            && Yii::$app->request->headers->get('x-humhub-app-is-multi-instance');
+    }
+
+    /**
+     * True if the mobile app Opener landing page is visible and should be hidden.
+     *
+     * @since HumHub mobile app v1.0.124
+     */
+    public static function openerState(): bool
+    {
+        return
+            static::isAppRequest()
+            && Yii::$app->request->headers->get('x-humhub-app-opener-state');
+    }
 }
diff --git a/migrations/uninstall.php b/migrations/uninstall.php
index f1cff4f..55f1e18 100644
--- a/migrations/uninstall.php
+++ b/migrations/uninstall.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @link https://www.humhub.org/
  * @copyright Copyright (c) 2015 HumHub GmbH & Co. KG
diff --git a/services/GoService.php b/services/GoService.php
index ab18fb0..1943f53 100644
--- a/services/GoService.php
+++ b/services/GoService.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @link https://www.humhub.org/
  * @copyright Copyright (c) HumHub GmbH & Co. KG
diff --git a/services/WellKnownService.php b/services/WellKnownService.php
index 96c3d3e..3f3e023 100644
--- a/services/WellKnownService.php
+++ b/services/WellKnownService.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @link https://www.humhub.org/
  * @copyright Copyright (c) HumHub GmbH & Co. KG
diff --git a/views/admin/index.php b/views/admin/index.php
index bc55409..f53b994 100644
--- a/views/admin/index.php
+++ b/views/admin/index.php
@@ -1,9 +1,9 @@
 <?php
 
 use humhub\modules\fcmPush\models\ConfigureForm;
+use humhub\modules\ui\form\widgets\ActiveForm;
 use humhub\modules\ui\icon\widgets\Icon;
 use humhub\widgets\Button;
-use humhub\modules\ui\form\widgets\ActiveForm;
 use yii\helpers\Html;
 
 /* @var $model ConfigureForm */
@@ -70,6 +70,6 @@
 
         <?php ActiveForm::end(); ?>
 
-        <?= Html::a('Mobile App Debug', ['/fcm-push/mobile-app'], ['class' => 'pull-right']); ?>
+        <?= Html::a('Mobile App Debug', ['/fcm-push/admin/mobile-app'], ['class' => 'pull-right']) ?>
     </div>
 </div>
diff --git a/views/mobile-app/index.php b/views/admin/mobile-app.php
similarity index 95%
rename from views/mobile-app/index.php
rename to views/admin/mobile-app.php
index 508dff7..e043837 100644
--- a/views/mobile-app/index.php
+++ b/views/admin/mobile-app.php
@@ -43,7 +43,7 @@
 
                 <?= Html::a('Show Opener', '#', ['class' => 'btn btn-default postFlutterMsgLink', 'data-message' => Json::encode(['type' => 'showOpener'])]); ?>
                 <?= Html::a('Hide Opener', '#', ['class' => 'btn btn-default postFlutterMsgLink', 'data-message' => Json::encode(['type' => 'hideOpener'])]); ?>
-                <?= Html::a('Open this page as POST Request', ['index'], ['data-method' => 'POST', 'class' => 'btn btn-default']); ?>
+                <?= Html::a('Open this page as POST Request', ['mobile-app'], ['data-method' => 'POST', 'class' => 'btn btn-default']); ?>
 
             </div>
         </div>
@@ -56,7 +56,7 @@
                         Administrative Notifications!</a>. It may take a few minutes.
                 </p>
 
-                <?= Html::a('Trigger "HumHub Update" notification', ['index', 'triggerNotification' => 1], ['class' => 'btn btn-primary pull-right']) ?>
+                <?= Html::a('Trigger "HumHub Update" notification', ['mobile-app', 'triggerNotification' => 1], ['class' => 'btn btn-primary pull-right']) ?>
 
             </div>
         </div>
@@ -107,7 +107,7 @@
                             <?= $fcm->sender_id ?>
                             &middot;
 
-                            <?= Html::a('Delete', ['index', 'deleteToken' => $fcm->id, 'confirm' => 'PWA: You may need to delete token from localStorage to trigger resave!']) ?>
+                            <?= Html::a('Delete', ['mobile-app', 'deleteToken' => $fcm->id, 'confirm' => 'PWA: You may need to delete token from localStorage to trigger resave!']) ?>
                         </li>
                     <?php endforeach; ?>
                 </ul>
@@ -215,4 +215,4 @@
         }
     });
 
-</script>
\ No newline at end of file
+</script>