Hitting any of the number keys does not select a character nor select an action/answer on story screen when using a french keyboard. I tried the 3 different mappings: French, French numerical, French PC without success. Switching the keyboard mapping to english fixed the issue but changes all the shortcuts which is not very easy to play. That and having to switch keyboard before launching the game.
I tested this issue over two Macbook pro and one iMac with builtin keyboard, usb keyboard and bluetooth keyboard. They all have the same problem. On the usb keyboard however the keypad is actually working.
I tested this issue on a french Windows 7 PC and the keys were working perfectly.
On all the tests I was using the default shortcuts.
MacBook Pro (Retina, 13-inch, Mid 2014)
Processor 2,8 GHz Intel Core i5
Memory 8 GB 1600 MHz DDR3
Graphics Intel Iris 1536 MB