A. 1. Check the app settings for any subtitle options. Go to Settings > MyTV+ > Subtitles and see if there are any customization options available. 2. If not, consider using the built-in iOS accessibility features by going to Settings > Accessibility > Subtitles & Captioning and enabling 'Closed Captions + SDH' to customize subtitle appearance across all apps.

B. 1. If customization is not available, consider providing feedback through the app for future updates.