Here is the list of tools available in Stipple Effect, along with their hotkeys.
Hand H
Zoom Z
Color Picker C
Pencil P
Stipple Pencil O
Brush B
Shade Brush D
Script Brush Q
Eraser E
Gradient Tool G
Line Tool L
Shape Tool R
Text T
Fill F
These tools are used to modify the pixel area of the selection.
These tools are used to reposition, scale, or rotate the selection area (
) or its contents on the current cel (
).