btn(6) is pause, so I wonder if there is a way to make a custom pause menu with it. I know that there is a poke to do it with P8 but I don't think that works..

THANKS i add it
btn(6) = Enter

(Heads up - Down and Up are swapped on the labels)

Well seen ;)
it's corrected

Running here on browser your keyboard is always considered as qwerty.
Running on picotron, azerty is recognized if it is.