How can I design my app,I'm a newbie and I need some help

Answer 1

Use XML

Answer 2

All sketchware Tutorials are explained
https://goo.gl/52ozCz
in a very easy and efficient manner. I upload videos for every two days. And we can demonstrate the user requests.ask me what you want. From sketchware team

Answer 3

all android app development Tutorials are available here