Hi! I see you're having trouble with the scan feature in the Applaydu Play & Discover app on your Kindle. Let’s figure this out together.

First, can you tell me a bit more about what's happening when you try to use the scan? For example:
- Are you able to open the app and reach the scan screen?
- When you press the scan icon, does the camera open?
- Does it fail to detect the toy or QR code, or is there an error message?
- Have you noticed if the app has permission to access your camera?

This info will help me guide you better.

Meanwhile, here are some general steps you can try:

1. Check Camera Permission:
Go to your Kindle settings > Apps > Applaydu Play & Discover > Permissions. Make sure the camera permission is enabled. Without camera access, the scan won’t work.

2. Restart the App:
Close the app completely and reopen it. Sometimes this refreshes the connection to the device camera.

3. Update the App:
Confirm you’re using the latest version of Applaydu by checking the Amazon Appstore or Play Store on your Kindle and updating if needed.

4. Clean Camera Lens:
Make sure your camera lens is clean and not obstructed.

5. Lighting Conditions:
Ensure you have good lighting when scanning; dim light can cause trouble for detection.

If after these steps it still doesn’t work, we can dive deeper into settings or check for app glitches. Also, some users have reported losing scan functionality after certain updates, which sometimes can be resolved by reinstalling the app or contacting support directly.

Let me know what you observe with the questions above, and we’ll continue from there!