To download and install the Barnes & Noble NOOK App for Android, follow the steps below:
1. Open the Google Play Store app on your Android device and search for the NOOK in the Apps section of the Google Play Store. The NOOK app is free.
2. Download the app and then install it.
3. Launch the app.
If you are using a device purchased outside of the United States, you may be able to configure the Region and Country of the device to access the US App Store, which will allow you to download the NOOK App.