This is python programming compiler you can learn data science with using your phone.
Link on play store: https://play.google.com/store/apps/details?id=ru.iiec.pydroid3
NB pydriod 3 is only available on play store
But if you use an iphone or ipad you can download pyto
Link on app store: https://apps.apple.com/us/app/pyto-python-3/id1436650069