I've not been there but have heard of John of God. How fortunate for you to have heard this woman's story! He does the 'surgeries' right? I read he performed a surgery on Wayne Dyer as well as many others and from a distance.
That's pretty amazing what your friend told you.
I never heard of the movie astral City.
Check this out:
https://www.youtube.com/watch?v=smjWQninbUY