ACRA formkey where to get it?

Question

So I tried to follow instructions of https://github.com/ACRA/acra/wiki/BasicSetup but its too old or something.
Using my own gmail account I did import the csv file but the

Answer 1

I have tried ACRA with my custom domain which handled by google and at that time i could not found any option to create to

Create a LEGACY Form

then after i have tried with my personal gmail account and its works .

so i came to conclusion is that :

ACRA dose not support Third party domain even-though they provided google .