Android OneNote users who are interested in trying out beta versions of the app can go ahead and join the OneNote for Android Beta Program Google+ community, and then click on the 'Become a tester' link. Microsoft says, "Once completed, you are all set and will receive an update the day we release the Beta."
Microsoft hasn't released a new version of OneNote for Android in over three months so this new beta testing program will likely be a way for power users of the software to get new versions, with additional features, quicker. The beta program is part of an overall effort by Microsoft to get more feedback from OneNote users as a whole.
If you are a OneNote user, do you plan to sign up for the Android beta testing program?