Having issues with OBB downloader...

I’m having trouble with the Unity plugin OBB downloader.
I put 3 scenes in the EditorSettings.
The game runs fine in the editor.
I build the Split Application Binary (apk and obb).
I put the apk and obb on Google Play, and wait.
The OBB gets downloaded correctly.
I have verified that the obb is on the device using a file explorer. I have verified that the obb is on the device using File.Exists().
I use WWW.LoadFromCacheOrDownload() on the obb filepath (using file://), and it completes without errors.
But then when I try to use Resources.Load() it returns null, and when I use Application.LoadLevel(), I get a “Level couldn’t be loaded because it has not been added to the build settings” error.
This happens even if I push the obb to the device directly before running the app.

Does anybody have any ideas as to what I could be doing wrong?

+1 looking for some help, we’re trying to use this tutorial with 4.1.2 but having no luck at Application.LoadLevel():

http://labs.exoa.fr/tutorial-unity-4-apk-splitting-google-play-obb/