The features available in the app match the browser version of the Boost eBook reader. For more information about these features, click here. Note that when you annotate your eBooks in the app, you can save and sync these annotations so that they are also visible in the web browser reader.
If you're a student and your teacher has assigned you an eBook with Knowledge Tests, then you can take these Knowledge Tests in the app. Your results will be fed back to your Boost reports. You can check your reports on your Boost account.