Most functions require a Tablet. Use "Tablet.hasTablet" to detect if the user owns a Tablet.

Variable name	Variable type	Description	Default
hasTablet	read-only boolean	True if the system has a tablet that can be used in Phun
hasPressure	read-only boolean	True if the tablet supports pressure
hasOrientation	read-only boolean	True if the tablet supports orientation of the pen
improveClickTolerance	boolean	Increase tolerance of the tablet's pen click	true
rightClickOverride	boolean	holding right-click will transform the left-click to right-click, useful for pens without eraser pressure support	false
pressure	read-only float	Pressure being made on the pen, 0.0 (pen floating) to 1.0 (full pressure)	0.5 when hasPressure is false
orientation	read-only list of 3 floats	Orientation of the pen	[0,0,0] when hasOrientation is false

From Phun Beta 5.28

I own a "Wacom Volito" and it doesn't have orientation support, but Tablet.hasOrientation returns true and Tablet.orientation always return [0, 900, 0]. (Beta v5.28) --JustBurn 17:20, 10 June 2009 (UTC)