Have you ever heard about GeoGuessr?
It would be something like that for one part. They would be some more features, but it gives you an idea of the project at least!
“However without a business registration number, that means impossible to set up a biz app, and further discussions such as quotas cannot be conducted.”
So, to summarize, I need a business registration number in Korea. It means, I need to have a partnership with a Korean company for this project. This is making the project suddenly so much harder.
I have a question about the API, and how is the sum made to calculate the 3,000,000 free of charge. So, I’m using the 3D part of the API. The user is in one placed randomly in one street. Here the first API call. If the user is moving down the street, is it another API call or is it the same one?
From what I have seen from your API samples, it is possible! The developer would need to make some little adjustments, but it is possible.