Create program ground up from smartphone?

Question

Problem: I have ZERO access to a desktop/tablet/laptop.

I DO have a smartphone though. I have searched extensively on google to no avail.
So, will I be able to code from scratch ground up to a complete product from this smartphone?

Answer 1

CppDroid?

Answer 2

An offline compiler+IDE for C++.

Answer 3

you can. but it need some work around.

Answer 4

I just found out about "Touchdevelop" Its like scratch for your phone

Answer 5

What is cppdroid