PORTSin3D for Android
This is how it works:
1. Download the app
2. Allow camera access
3. Click Start button.
4. When camera is activated point the camera of your device towards the marker. If you don´t have the marker
you can find and print it here:
https://dl.dropboxusercontent.com/u/34680420/PORTSin3D/Marker_PORTSin3D.jpg
5. Click on the yellow pins to experience the development of the 3 Ports of Stockholm.