diff --git a/src/android_utils.py b/src/android_utils.py
index 94353949..2a6dbb28 100644
--- a/src/android_utils.py
+++ b/src/android_utils.py
@@ -2,6 +2,7 @@
 import os
 import re
 from functools import cache
+from uuid import uuid4
 
 from cryptography import x509
 from cryptography.hazmat.backends import default_backend
@@ -229,6 +230,21 @@ def get_dummy_user_name():
     return value
 
 
+def get_os_user_auth_token():
+    cache_key = "OS_USER_AUTH_TOKEN"
+    value = value_cache.get(cache_key)
+    if value is None:
+        value = uuid4().hex
+        value_cache.set(cache_key, value)
+    return value
+
+
+def os_user(auth_token):
+    if auth_token == get_os_user_auth_token():
+        return (get_dummy_user_name(), True)
+    return None, False
+
+
 def is_active_network_metered():
     ConnectivityManager = autoclass("android.net.ConnectivityManager")
 
diff --git a/src/main.py b/src/main.py
index 12f9dd82..ce8a5e7b 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,9 +1,9 @@
 import logging
-from uuid import uuid4
 
 import initialization  # noqa: F401 keep this first, to ensure we're set up for other imports
-from android_utils import get_dummy_user_name
+from android_utils import get_os_user_auth_token
 from android_utils import is_active_network_metered
+from android_utils import os_user
 from android_utils import share_by_intent
 from jnius import autoclass
 from kolibri.main import enable_plugin
@@ -25,13 +25,7 @@
 
 loadUrl = Runnable(PythonActivity.mWebView.loadUrl)
 
-auth_token_value = uuid4().hex
-
-
-def os_user(auth_token):
-    if auth_token == auth_token_value:
-        return (get_dummy_user_name(), True)
-    return None, False
+auth_token_value = get_os_user_auth_token()
 
 
 class AppPlugin(SimplePlugin):
diff --git a/src/taskworker.py b/src/taskworker.py
index f6302770..b7ae55bb 100644
--- a/src/taskworker.py
+++ b/src/taskworker.py
@@ -1,10 +1,12 @@
 import logging
 
 import initialization  # noqa: F401 keep this first, to ensure we're set up for other imports
+from android_utils import os_user
 from kolibri.main import initialize
-
+from kolibri.plugins.app.utils import interface
 
 initialize(skip_update=True)
+interface.register(get_os_user=os_user)
 
 logger = logging.getLogger(__name__)