From a technical standpoint, use foreshortening, cast shadows and reflected light to give your characters volume and depth.
You can draw on an iPad with an Apple Pencil on the Procreate app, which you can use to sketch, paint, and illustrate.
You can draw freely on Microsoft Word using the "Draw" feature whether you have Word for Mac or Windows.
A Cape Coral middle schooler recently won a national "Artist of the Week" contest through the online platform Artsonia.