Answer the following questions on your own:

1. Change the model in the app to the sofa or even another object.
2. Add the changes we made to the Environmental Light script in order to track the light direction.
3. Add other objects to the app and allow the user a choice on which to place.
4. Allow the user to place vertical objects. Hint—you will need to render vertical planes now, yes ARCore does recognize vertical planes.
5. Allow the user to rotate the model. Hint—you may have to add some control handles.