I've started a short pixel art tutorial series with some drawing process for different used techniques at pixel art drawing, and 2d animation for video games. These process videos will not actually teach you how to draw pixel art, but techniques which can be applied on this art style.
You can watch Dotto series from:
Youtube video - chapter01:
Actually promoting/featuring it as it has some different shading, and texturing techniques that I'll be explaining.
Follow our channel to watch more of these.