The second example is a simple railway toy. Try Run button.
To terminate this app, press “BREAK” button above the 3D screen.
Pressing Go/Stop button will start/stop the Loco car.
If “Branch” is checked, the car will go turn way on next branch point, otherwise(unchecked) the car will go straight on next branch
You can choise 3 viewpoints by switching the pull-down menu on right side:
Map: Top view, you can get the whole layout.
Side: You can see the loco on the rail and running.
OnBoard: You can see the view form the loco console as driver.