I'll check out Mindset, thanks. (I couldn't find it on google, send a link if you don't mind)
It's only on the Apple App Store at the moment, if you search Mindset on the App Store it will be the first non-ad app.
And then organizing and compiling it into a book.
I recommend you to read Taylor Pearson's article on how he approached writing and marketing his book:
https://taylorpearson.me/jesusmarketing/
A shorter version written by me can be found here:
https://www.writersincharge.com/taylor-pearson-sold-5000-cop...
It's only on the Apple App Store at the moment, if you search Mindset on the App Store it will be the first non-ad app.