2025-07-02 00:00:00 BACKGROUND This App aims to be a convenient tool for sketching water-ink art work. It may be used for sketching idea anywhere on your trip, for comparing compositions, experimenting with colors, etc. It is by no mean to replace real painting, the pen, color palette, control are only minimal in the App. However, it can serve as an entry-level tool for everyone to have a try before taking serious painting classes.