Colorise each stroke - it used when you enable any Jitter color. If enabled each stamp will be randomized, otherwise random color is applied to the whole stroke
Blend Each Stamp - you will see the difference if you use tool blending mode other than 'Normal'. Check these brushes with Paint tool to see the effect:
Marker/Real Wet Marker
Assorted/Glowing Lines
Pattern - Each Stroke - if enabled pattern is applied each stamp, other wise it is applied to the whole stroke
To add new pattern load an image and tap File>Add Preset>Add Pattern. Or copy image to clipboard, open Pattern Editor, tap 'Action' icon and pick 'Paste Image From Clipboard'
Size/Scatter Tilt Effect - it is used after yous set 'Tilt & Pressure' mode for Stylus/Size andStylus/Scatter dynamics. Check the following brushes:
Sketching/Sharp Pencil (Tilt)
SketchingShading Pencil (Tilt)
Tilt Gradation - used when you enable 'Tilt & Pressure' for Size dynamics. If enabled and pencil is tilted app will add a kind of gradient. Check Sketching/Stroke Pencil (Tilt) brush
Angle: Rotation - if enable stamp angle will set from Pencil angle. Check Markers/Real Marker brush
Fade: Stroke size/opacity/flow will be smoothly decreased. Check Assorted/Fire 1 brush.
1px Spacing Smudge - it is used by Smudge tool if Enabled Smudge tool will ignore 'Spacing' value and use 1px spacing.
Wetness brush parameters are used by 'Wet Paint' tool (ignored by Paint, Pencil and other tool)
Blur Radius - app will constantly blur brush wet content. Set it to max value to enagle very interesting 'Flat' mode. Too see the result activate Wet Paint tool and pick the following brush: Wet Painting / Juliano Oil Texture
Constant Paint - it is amount of Paint (Color) constantly added to stroke (in Wet Paint Tool)
Auto Clean - paint brush is cleaned after painting a stroke
Auto Load - paint is loaded to brush after painting a stroke
Load Amount - amount of paint loaded to paint brush (after each stroke if Auto Load is enabled, or manually after tapping 'Load Paint' button)
Paint Duration - brush is losing a paint when painting a long stroke. The higher value the longer stroke you can paint.