I have no idea what "options.controllerLayout" is, incorrect name bug? Whatever this option does, it doesn't look 100% and clicking the "customize" button makes the game crash. See photos below.
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If you did not already, please remember to perform a search before creating a ticket to see if your bug hasn't already been reported.
This issue was reported previously as MCPE-9310. Comment your experience there!
Oh, I shouldn't have reported the same issue. Look at my issue: MCPE-9332