A free program for Android, by Code Play.

The Python Editor for Codeplay is a code editor and a build tool for your programming language learning project. You can use this tool to create your own programs, or to edit and build other people’s programs. You can also use it to edit existing Python code. The best part of this tool is that it is completely free. It is intended for all levels of users, from beginners to advanced. If you are a beginner, this tool will help you to learn Python programming.

If you want to make your life easier, you can install the Codeplay online interpreter.