onReady result json data and navigation

[Dar]

Hello,
Not an issue but a question.
The data provided by the input param for onReady gives data relating to legs and and steps for route by route navigation. I would like to use this as in in-app navigation for drivers going to pick up a user. I am building a ride share app and once a ride is accepted by the driver, the navigation kicks in to guide them to the user. I was reading google navigation terms and building a navigation would violate their terms I believe. What would be the use of this data then if not as part of a navigation component? Or maybe I misunderstood google's terms?
thank you in advance