Trust me. I have given up trying to get devs to add the auto button. They seem to think that people love to click on a screen through 5 gigs worth of pictures. I used to mod the quick menu back into my games, but now I just throw the game into the recycling bin and add it to a list of novels that I will never try again. Thanks for the heads up on this one. I won't even bother downloading it now.
Found this Renpy code from somewhere in 95zone:
init 9999 python:
config.underlay.append(renpy.Keymap(toggle_auto = Preference("auto-forward", "toggle")))
config.keymap["toggle_auto"] = ["alt_K_a"]
How to make it work:
1.Copy it into text file (notepad.txt)
2. Rename file for example "auto_toggle.", and change file extension .txt into .rpy.
3. Put the auto_toggle.rpy file inside "game" folder.
4. Toggle auto on/off by pressing ALT+a
Tried with 3 different games and it worked. Don't know how to adjust speed as am not a coder.