fb expert script modifying help

hey,

is someone here able to modify this "fb expert" script for me?
its brutal weird coded and i have no clue what i need to change to set it up for my needs...

It comes with Instructions You dont read them ?
You have to put app Details in Config.php

i don't want get it working - i need it it modified

its just hard to explain but normaly its simple. I just need someone who is able to understand the code and can change it

i want to remove the facebook login button + the continue button + the "token collecting" script, all i want is if someone clicks on the picture it disappear and the step3 appears, the captcha verify with hidden siteshare

can no one help me?