Hi there! Sorry to hear that your Cashman Casino Slots game is stuck on your Kindle device. Let's see if we can get it running smoothly again.

To start, can you tell me a little more about what you mean by "stuck"? For example, does the app freeze on a certain screen, fail to load, or freeze during gameplay? Also, do you notice any error messages or does it just stop responding?

Meanwhile, here are some quick steps you can try to fix it:

1. Force close the app and reopen it: On your Kindle with Android 9, go to Settings > Apps & Notifications > See all apps > find Cashman Casino > tap Force Stop. Then open the app again.

2. Restart your Kindle: Press and hold the power button, then tap Restart to refresh the system.

3. Check your internet connection: Make sure you have a stable Wi-Fi signal or mobile data since the game requires online access.

4. Clear app cache and data: Go to Settings > Apps > Cashman Casino > Storage > Clear Cache. If that doesn’t fix it, try Clear Data (note this may reset some game settings).

5. Update the app: Head to the Amazon Appstore and check if there is an update available for Cashman Casino Slots and install it.

If you have already tried these steps, let me know which ones, and if the problem continues, I can guide you through more advanced troubleshooting or account checks.

Looking forward to your reply so we can get this sorted!