Mapchanger_iCarNav thanks to arimi.
You have to install and proper configure utility_gja_Gena_iCarNav_2.0.apk .
Copy ari_utility_gja_Gena_iCarNav.zip into ux folder.
Copy and populate content\map_xx folder into Gena_iCarNav\content .
Spoiler: link
Junior, can you share TopMap license ?