Steps to Reproduce:
Set the game language to English (United States) in Settings > Language
Go to Settings > Accessibility
Look at the spelling of the words “Customize” and “Maximize” under “Text To Speech” and “User Interface”
Observed Results:
The British spelling (Customise, Maximise) is used.
Expected Results:
The American spelling should be used.
Screenshots:
I can also reproduce in Android beta version