Go to settings and change the current language. Check that the following items are translated: Side menu plugins. Course plugins. Course names with multilang tags (prototype 2.9). Site name in side menu with multilang tags (prototype 2.9). Close the app, open it again and check that the previous items are still translated. Do a clean installation of the app Open the app in a terminal using a language different that english (supported by the app) Check that the app is displayed using the device language, check also that in the general settings the language selected is the device one.