Elixir 2 - Admin add-on is a free utility app developed by Tamás Barta for Android devices. This app is an add-on for Elixir 2 and requires device administrator permission. The app contains several features that require this permission, including the ability to lock or change the screen lock when clicking on the corresponding toggle in an Elixir widget.

One of the most important things to note about this app is that if you enable device administrator permission, you won't be able to uninstall this app in the usual way. You'll need to disable the permission before you can uninstall it. The app is available in several languages, including English, Hungarian, Russian, Greek, German, Polish, French, and Spanish.

Overall, Elixir 2 - Admin add-on is a useful add-on for Elixir 2 that provides additional functionality to your device. However, users should be aware of the device administrator permission requirement and the need to disable it before uninstalling the app.