1- New cars are added continuously.
2- All cars are working and if there is one car that does not work you can report them.
3. The application is very light and you can also order a car and it will be added to the application.
4 - There are explanations within the program for the way to install cars or repair the problems of the game.
Nor do I forget that the application needs an Internet to work. And that the application is working continuously.