SL Realtime Widget is a free Android app developed by Erik Övelius that provides fast and easy access to the Stockholm transit system's real-time information. The app is a simple widget that allows users to view the real-time departure information for a specific station in Stockholm. The app's information is based on trafiklab.se, a website for Swedish public transport information.

The SL Realtime Widget is designed to be simple and easy to use. Once installed, users can simply add the widget to their home screen and select their preferred station. The app will then display the next departure times for the selected station. The widget is also highly customizable, allowing users to choose the size and color of the widget to match their home screen.

Overall, the SL Realtime Widget is a great tool for anyone who regularly uses public transit in Stockholm. It provides fast and reliable access to real-time information, and its simple design makes it easy to use. The app is available for free on the Google Play Store and is definitely worth checking out.