@Override
    public void start(boolean waitFor){
        start(JmeContext.Type.Display, waitFor);
    }
Starts the application in {@link com.jme3.system.JmeContext.Type#Display display} mode.
@param waitFor if <code>true</code>, the method will wait until the application is started.
@see #start(com.jme3.system.JmeContext.Type, boolean)
jme3-vr/src/main/java/com/jme3/app/VRApplication.java