Are you finding some interesting apps? 20,000+ users downloaded Paris Maps latest version on 9Apps for free every week! It works great even on 2G. This hot app was released on 2017-06-05. You can also find some other similar apps here.
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)
New maps
Android version (7) Nougat 25