To resolve the issue with the Murder by Choice app not working or opening, follow these detailed steps:

1. Restart Your Device: Begin by rebooting your Android device. This can refresh the system memory and resolve temporary glitches.

2. Check for Updates: Ensure the app is updated to the latest version.

- Open the Google Play Store.
- Type “Murder by Choice” in the search bar.
- If an update is available, select it and hit the Update button.

3. Clear App Cache and Data: Sometimes, accumulated data can cause issues.

- Go to Settings on your device.
- Tap on Apps or Application Manager.
- Locate and select Murder by Choice.
- Tap on Storage, then first select Clear Cache and afterwards Clear Data.

4. Reinstall the App: If the problem persists, consider uninstalling and reinstalling the app.

- In the Apps menu, select Murder by Choice and choose Uninstall.
- Once uninstalled, go back to the Google Play Store and reinstall the app.

5. Check Internet Connection: Ensure your device has a stable internet connection as this can affect app performance.

- You can switch between Wi-Fi and mobile data to check for improvements.

6. Look for Compatibility Issues: Sometimes, apps may not work correctly on certain operating systems or in certain device combinations.

- Check if there are any known compatibility issues by visiting support forums or the official support page for the app.

7. Consult Support Resources: If none of the above steps work, consult the support page for Murder by Choice for further assistance.

- Visit their support page at Nordcurrent - [learn more].

8. Follow Detailed Guides: In addition, you can explore video tutorials which provide visual guides on these troubleshooting steps.

- For example, check this video on fixing issues with the app: Fix Murder by Choice App Not Working - [learn more].

By following these steps, you should be able to troubleshoot and hopefully resolve the issue with the Murder by Choice app.