If you ask a localization expert when the best time is to consider localization, they will certainly tell you it’s best to do it before the development stage. It’s the dream of every localization expert that immediately after the app’s conception, at the stage of identifying the target audience, creators are already planning for localization and are even taking culturalization into account.
In practice, however, this is rarely the case.
What is success?

Market selection for mobile games using a localization ROI model