Create a number of Sandy images. Save them. (Snipping Tool-Windows)
Only after 3 weeks send me 1 for grading.
Show your work to others to get their input.

Your mark = Attractiveness, impact, effort, creativity, originality,
Design Principles: details/accuracy, colour gradation, harmony/balance,
title & description of the piece.

Customizable Colour Palette (top righthand corner). Click & drag on colours you want. Hold button down, it will apppear.
Keep the button down, go to the next colour you want, They will appear in the middle of that circle.

Random Colour Palette (top lefthand corner).
Downloading the App from Google Play / the App Store gives tips & ability to upload your work to the gallery.