It is an interesting idea that I have seen several folks do to other cars.
The issue that I saw was that, yes you had your phone mirrored on the larger screen, but you still have to interact via your phone.
It is an interesting idea that I have seen several folks do to other cars.Anyone tried NAVIKS?
https://naviks.com/c-1136681-smartphone-mirror-interface.html
The iM is not on the list but they have the CH-R... I believe the CH-R system is similar for the iM head unit.