A. 1. Close background apps: Press the recent apps button and swipe away any apps you are not using to free up system resources. 2. Clear app cache: Go to 'Settings' > 'Apps' > 'G-STAR' > 'Storage' > 'Clear Cache'. This can help improve performance by removing unnecessary files. 3. Free up device storage: Check your device storage and delete any unnecessary files or apps to improve overall performance. 4. Update the app: Ensure you are using the latest version of G-STAR, as updates often include performance improvements.