How to create a .py file into apk

Answer 1

kiwi?

Answer 2

I've never done it, but it is possible.

https://github.com/kivy/JUMP_LINK__&&__python__&&__JUMP_LINK-for-android

http://pygame.org/wiki/about
https://github.com/renpytom/rapt-pygame-example

Also look into QPython and SL4A.
I'm sure there are others out there too if you Google it.