Hi there! I understand that the 24me app on your Android device is running into some difficulties, causing it to crash and display a black and white screen. Let's work together to troubleshoot this issue step by step.

1. Restart Your Device: Sometimes a simple restart can help clear any temporary glitches causing the app to crash. Could you please try that first?

2. Clear App Cache: If restarting doesn't work, the next step is to clear the app's cache. Here’s how:
- Go to Settings on your device.
- Navigate to Apps or Application Manager.
- Find and select the 24me app.
- Tap on Storage, then select Clear Cache.

3. Update the App: It's important to ensure that your app is up to date. Check the Google Play Store for any available updates for the 24me app.

4. Check for Device Updates: Make sure your Android device itself is running the latest software. Check for updates in the Settings under System or About Phone, depending on your device.

5. Reinstall the App: If the problem persists after trying the above steps, consider uninstalling and reinstalling the app:
- Uninstall the 24me app from your device.
- Restart your device.
- Reinstall the app from the Google Play Store.

6. Check Your Storage: Insufficient storage can also cause apps to misbehave. Make sure you have enough space on your device by looking under Storage in Settings.

Once you've tried these steps, let me know how it goes! If the issue is still there, we can explore some more advanced options. Are you satisfied with the solution I provided?