Hy I'm a learner on python, was referred to Qpython3 app so i can use my android to code but i swear i don't know how to use it.

Answer 1

Use sololearn play ground.

Answer 2

Use pydroid 3(it has more libraries than Qpython)...
And Qpython3 is also good, u have to save ur file with .py first before running it