@Override
    public void create(final boolean waitFor) {
        String render = System.getProperty("awt.background.render", AppSettings.LWJGL_OPENGL33);
        backgroundContext.getSettings().setRenderer(render);
        backgroundContext.create(waitFor);
    }
Accesses the listener that receives events related to this context.

@return the pre-existing instance
jme3-desktop/src/main/java/com/jme3/system/AWTContext.java