Hi! I’m Charlotte. I understand you’re having trouble setting a wallpaper using the Wallcraft app on your Android 16 device. Let’s work through this together.

To better assist you, could you please tell me:
- Are you trying to set a live wallpaper or a static image as your wallpaper?
- Does the app give any error message when you try to set the wallpaper?
- Have you tried setting wallpapers from other apps to see if the issue is specific to Wallcraft?

Meanwhile, here’s a general step-by-step approach to try:

1. Check App Permissions:
Go to your phone’s Settings > Apps > Wallcraft > Permissions. Make sure the app has permission to access storage or photos. Without this, it can’t set wallpapers.

2. Restart the Wallcraft App:
Force stop the app (Settings > Apps > Wallcraft > Force Stop), then reopen it and try again.

3. Restart Your Phone:
Sometimes a quick reboot clears temporary glitches.

4. Clear Cache:
In your phone settings, go to Wallcraft > Storage > Clear Cache. This removes temporary files that may cause glitches.

5. Try Setting Wallpaper via Phone Settings:
Instead of setting wallpaper inside the Wallcraft app, save the image to your gallery and then set it as wallpaper from your phone’s default wallpaper settings.

6. Update or Reinstall the App:
Check Google Play Store for any app updates. If updated, great; if not, try uninstalling and reinstalling the app.

If after these steps it still doesn’t work, there could be compatibility issues especially since Android 16 is quite new and sometimes apps can lag behind OS updates in full support. Let me know what happens with these steps and if you see any specific messages or behaviors. I’m here to help you get it fixed!