To resolve the issue of your app crashing, follow these detailed steps:

1. Restart the App: Close the app completely and then reopen it. This simple step often resolves temporary issues that may cause the app to crash - learn more.

2. Reboot Your Device: Power down your device and turn it back on. This can help clear any glitches and refresh the system - learn more.

3. Clear the App's Cache:
- Go to Settings.
- Select Apps or Application Manager.
- Find and select the app that is crashing.
- Tap on Storage.
- Click on Clear Cache. This helps eliminate any corrupted temporary files - learn more.

4. Update the App: Check if there is an update available for the app that is crashing:
- Open the Google Play Store.
- Tap on the Menu icon and then My apps & games.
- Locate the app and tap Update if available - learn more.

5. Update Your Device Software: Ensure that your operating system is up to date:
- Go to Settings.
- Select System and then tap Software Update.
- Follow the prompts to update if an update is available - learn more.

6. Uninstall and Reinstall the App: If the app still crashes, uninstall it and reinstall from the Google Play Store:
- Go to Settings > Apps.
- Select the crashing app and choose Uninstall.
- Then, go back to the Google Play Store, search for the app, and reinstall it - learn more.

7. Check Device Compatibility: Sometimes, an app may not be compatible with your device. Verify if the app's requirements match your device's specifications - learn more.

8. Contact App Support: If the issue persists, consider reaching out to the app’s customer support for more specific guidance related to the crashing issue - learn more.

By following these steps, you should be able to address the crashing issue with your app effectively. If problems continue after trying all these solutions, further troubleshooting may be needed based on the app's development status or existing bugs.