Yeah Python is great for beginners I think. List of introductory books: https://wiki.python.org/moin/IntroductoryBooks

Some written specifically for children. Don't know much about them, but they're worth looking into.

https://www.packtpub.com/application-development/python-proj...

https://www.nostarch.com/pythonforkids

https://www.manning.com/books/hello-world

https://www.nostarch.com/teachkids

I think they will still have people working in loss prevention / security. I'm not sure though.

F-Droid and apkmirror. You can use any app that doesn't run google services, including open source alternatives for apps like youtube and google maps. Can access many things from your web browser, as well.