The game files on Mac are in the \Game.app\Contents\Resources\app.nw\ folder, where you can also find the save files.
Thanks for your quick answer,
sadly, i can't access to the folder contents like you can see in the screen shot
I don't own a mac, so I don't know and can't test how you enter the game app, but according to google you can right click on the game/app inside the applications folder and click on Show Package Contents.
It worked !
Thanks you very mutch !
