A. 1. Ensure you are using the latest version of the app: Check for updates in the Google Play Store. 2. Restart the game: Sometimes, simply restarting the game can resolve temporary glitches with item highlighting. 3. Try moving items slowly: If the game is lagging, moving items slowly can help the game register the action better and highlight items correctly.

B. 4. Clear the app cache: Go to Settings > Apps > Builderment > Storage > Clear Cache to remove any temporary files that may be causing issues.