Hi! I see you're having trouble with the WatchPAT app showing your device as not compatible in the Google Play Store. Let's get to the bottom of this together.

Could you please tell me a bit more about your device? For example:
- The model of your device and its Android version (if applicable).
- The region or country your device or Google account is set to.
- Any error messages you see aside from "not compatible."

Meanwhile, a common cause for this issue is mismatch between the device region or account region and the locations where the WatchPAT app is supported. Ensuring both are aligned often resolves the problem.

Here are some steps we can try in order:
1. Verify your Google account region matches a supported location for the WatchPAT app.
2. Restart your device to refresh system checks.
3. Clear Google Play Store cache and data:
- Go to Settings > Apps > Google Play Store > Storage > Clear Cache and Clear Data.
4. Update your device OS to the latest version available.
5. Check for any system updates for Google Play services.
6. If you use a VPN or proxy, disable it and try again.
7. If none of these work, sometimes installing the WatchPAT app APK file directly from a trusted source (like the official website) can be a workaround, but do let me know before trying that for safety.

Could you try the above and let me know how it goes? If you have already tried some steps, just tell me what you’ve done so I avoid repetition and dive deeper.

Looking forward to your reply!