Hi! I understand you're having trouble with the Lowe's Home Improvement app not being compatible with your Galaxy Note 9. I'd like to help you get this sorted out.

Can you tell me if you’ve already tried installing or updating the app from the Google Play Store? Also, what exactly happens when you try to open or install the app — does it give an error message, fail to install, or crash after opening?

In the meantime, here are some initial steps you can try, which often help with app compatibility issues on Android 10 on a device like the Galaxy Note 9:

1. Clear Cache and Data of Google Play Store:
- Go to Settings > Apps > Google Play Store > Storage
- Tap "Clear Cache" and then "Clear Data"

2. Restart your Phone:
- Hold the power button and tap "Restart"

3. Uninstall and Reinstall the Lowe's App:
- Uninstall the app completely
- Restart your phone
- Reinstall the app from the Google Play Store

4. Check for Software Updates:
- Sometimes app compatibility improves with the latest OS patches
- Go to Settings > Software Update > Download and Install to make sure your Note 9 is up to date

If the app still says it’s incompatible or won't install, the issue might be with current app support for this device or Android version. Some users find that downloading the latest app version from a trusted third-party site like APKMirror works, but only if you’re comfortable with that and understand the risks.

If these do not resolve the issue, I can guide you through more advanced troubleshooting or help you contact Lowe’s app support for their latest compatibility info.

Would you like to start with these steps? And could you let me know the exact error you see when you try to use the app? That will help me assist you better.