Enjoy it. Art is fun.
This is how I enjoy doodling with my Samsung Note 4. First of all, you need to download an APP called Sketchbook that's produced by Autodesk. Or you may click on the PLAY button first.
Bananas have been a difficult subject for watercolor beginners. So here's a demo for everyone who loves watercolor painting.
For further demonstration, please click on the pic below.