Hi there! I see you're having trouble opening the DoubleDown app and it just says "failed." I want to help you get that sorted out. Just to double-check: when you say it says "failed," is that an error message you see right when you try to launch the app? Or does it fail at a specific point later on?

Meanwhile, since you're on an Android device with version 10 and WebKit, let's try some basic steps that often get the app working again:

1. Restart your device: Press and hold the Power button, then tap Restart or Power Off, then turn it back on. This can refresh apps and system processes.
2. Clear the app cache and data:
- Go to Settings > Apps (or Applications) > find DoubleDown Casino in the list.
- Tap Storage.
- Tap Clear Cache and then Clear Data (this will reset the app but won’t delete your account).
3. Update related apps: Sometimes DoubleDown relies on Android System WebView and Google Chrome. Make sure both are updated from the Google Play Store.
4. Reinstall the app: If clearing cache and data doesn’t work, uninstall and then reinstall DoubleDown Casino from the Play Store.

Try these out, and let me know if you still see the error or if it behaves differently after these steps. If it still doesn’t open, we can dig a little deeper together. How does that sound?

Are you currently connected to Wi-Fi or mobile data when this happens?