Hi there! I’m Alice, here to help you get Sonic Forces running smoothly on your Kindle. Just so I understand correctly—your Sonic Forces game isn’t updating, and when you try to start it, it won’t open?

Could you tell me if you’re seeing any error messages when trying to update or launch the game? Also, have you tried any steps like restarting your device, clearing the app cache, or reinstalling the game already? This will help me guide you better.

Meanwhile, here’s a step-by-step to start with, tailored for your Kindle running Android 11:

1. Check Internet Connection: Make sure you have a stable WiFi connection or cellular data. Sometimes updates or startup fails if the connection drops.

2. Restart Your Device: Power your Kindle off completely, wait 30 seconds, and turn it back on. This can clear temporary glitches.

3. Clear the App Cache:
- Go to Settings > Apps & Notifications > See all apps.
- Find and tap Sonic Forces.
- Tap Storage & cache, then select Clear cache.
This clears temporary files the app uses without deleting your data.

4. Try Updating the Game:
- Open the Amazon Appstore (or Google Play Store if installed on your Kindle), search for Sonic Forces, and see if there’s an update available. If yes, try to update from there.

5. Check Parental Controls: Since your device is a Kindle, sometimes parental control settings can block app updates. Double-check if parental controls or restrictions are enabled under Settings > Parental Controls and temporarily turn them off.

6. Reinstall the App (If Needed): If updating doesn't work, uninstall Sonic Forces completely, restart your Kindle, then download and install the latest version fresh from the app store.

If after these steps, the game still won’t update or start, it could be due to the store blocking updates for specific device models (which some Kindle devices face with Sonic Forces). In that case, you might need to wait for a compatibility update or reach out directly to Sega support at [email protected].

Let me know which steps you’ve tried or if you need help with any of these! Are you satisfied with this guidance, or shall we dig deeper?