If the Promova app is displaying a message stating "Promova app until responding," here are detailed steps you can take to resolve the issue:

1. Force Stop the App

- Open the Settings on your Android device.
- Navigate to Apps or Applications.
- Find and select Promova from the list.
- Tap on Force Stop. This action will completely stop the app's processes.

2. Clear Cache and Data

- Within the Promova app settings (from the previous step), tap on Storage.
- Select Clear Cache. This will remove temporary files that might be causing the app to freeze.
- If the issue persists, you can also tap on Clear Data. Note that this may erase any unsaved progress within the app.

3. Restart Your Device

- Hold down the Power button on your device.
- Select Restart or Reboot from the menu.
- After the device has rebooted, try launching the Promova app again.

4. Check for App Updates

- Go to the Google Play Store.
- In the search bar, type Promova and select the app.
- If there is an Update button available, tap it to download and install the latest version.

5. Reinstall the App

- If the problem continues, you may need to uninstall and reinstall the app.
- Go to Settings > Apps > Promova, then select Uninstall.
- After uninstalling, go to the Google Play Store, search for Promova, and install it again.

6. Check Device Storage

- Ensure that your device has enough storage space.
- Go to Settings > Storage and check the available space.
- If storage is low, remove unnecessary files or apps to free up space.

7. Contact Support

- If none of the above steps resolve your issue, consider visiting the Promova support page or their help center for assistance. You can also report the issue directly through the app if accessible.

Following these steps should help you resolve the issue with the Promova app not responding. If you need further guidance, consider checking Google's support page on fixing installed apps that are not working - learn more - learn more.