Give the actions appropriate names and allow users to remap them. Have a few common layouts you can select from. Allow users to select a language and locale (se

Give the actions appropriate names and allow users to remap them. Have a few common layouts you can select from. Allow users to select a language and locale (separately) when they first launch. Refer to the actions not the keys in the documentation, and when you do specify key (e.g. in parenthesis) have it dynamically reflect the current setup. Seem rather straight forward.