Usar la aplicación APKPure
Obtener Paris Metro Bus Train versión histórica en Android
Los mapas de transporte de París.
Big maps of Paris transport system. 2017
You need a good Android device because the map is big.
No data usage or internet needed.
Offline app.
I am an academic, the app is non commercial, its a free app.
Nougat 25 (version 7.1.1)