A. 1. Check for any available updates for the app in the App Store, as developers may have fixed screen resolution issues in newer versions. 2. Adjust your iPhone's display settings by going to Settings > Display & Brightness and changing the display settings to see if it helps.
B. 1. If the app continues to display incorrectly, try rotating your device to see if it adjusts the layout. 2. Consider using the app in landscape mode if it is more comfortable.