Edwin Davis building & ways in which my application could be improved

I have just finished my final building the Edwin Davis building see below:

I have also been thinking about ways in which my application could be improved.

If the technology would allow for the accessing of the device’s compass this would definitely improve my application. My goal was to allow users to see the buildings in their original locations and the gps allows that to happen but the compass would give users the buildings orientation in relation to their direction of sight.