A. 1. Check device compatibility: Ensure your device meets the app's minimum requirements listed on the Google Play Store. 2. Clear cache and data: Go to Settings > Apps > LEGO > Storage > Clear Cache and Clear Data to improve performance. 3. Update the app: Make sure you have the latest version of the app installed.

B. 4. Test on different devices: If possible, try using the app on another device to see if the performance issue persists.