https://p5js.org/

* Get Started
** https://p5js.org/get-started/

* Online Editor
** https://editor.p5js.org/

!!! Articles

* https://dotinstall.com/lessons/basic_p5js

* P5.js 日本語リファレンス
** https://qiita.com/bit0101/items/91818244dc26c767a0fe

!!! Test codes for Android

//* Mobile: Simple Draw (fixed)
//** https://editor.p5js.org/yokotalab/full/K9LF-CfV0

* Mobile: Simple Draw (fixed & modified)
** https://editor.p5js.org/yokotalab/full/2Gw8KrErt