Due to additional security features added in Android 9 Pie, the Odroid N2 device has to be registered within your Google Play account before it is authorised to download Apps from the Google Play store.
Please follow the below instructions:
Registering your device with Google to use the App Store
- Ensure you are connected to WiFi and have Internet access
- In the Odroid Settings app go to Misc Settings and choose Display GSF Framework ID
- Copy the ID
- Click the link to the browser and visit: https://www.google.com/android/uncertified/
- Sign in with your Google Account then paste the ID into the Google registration page and click Register
- Reboot but please note this can take up to 24 hrs to take effect so you may have to wait a while
- You can now use the Google Play store