My python learning app

[eshqol]

Hello,
I recently published an app that I built for google play,
I would like to reviews from you about the app and suggestions of improvements.

The app is made for python learning, practice, and competing against online players.

App name: Sigma- code wars
Link: https:/play.google.com/store/apps/details?id=com.eshqol.sigma

Thanks in advance.