Drop Shadow lets you add shadow below your illustration, to make your drawing stand out.

Open ① the Layer window, and add ② new layer and move it underneath the layer you would like to apply the filter to.

Tap ②Filter from ①Tool Selection window .

Select ① Drop Shadow.

Drag ① the sliders left and right to make adjustments.

Open ①Color Picker . Drag the ②Slider to adjust the color.

When finished, return to the canvas with ①✓ button .

Finished.