I think there should be android sololearn tutorial. Right?

Question

android

Answer 1

Yes. As of now, this is available.
https://code.sololearn.com/W5Mb3mZ9OH5y/?ref=app

Answer 2

if I did get you.... java, c# and python can be used in Android app dev't. it's all about the programming language needed for the job to be done. Solo learn has almost all Programming languages that will be required for any job you can think of.