Table 3. Features with the greatest Kolmogorov-Smirnov distance between Autism and Control groups for the Creativity and Sharing games.

KS distance ranking	Inertial (I) or Touch (T)	Feature name	Description
Creativity
1	I	AccelZeroCrossing_x	Accelerometer x-axis (longitudinal) value sign (+/−) change count.
2	T	Velocity	Mean gesture velocity.
3	I	Accel RMS_y	Root mean square of accelerometer y-axis (lateral) values.
4	T	AvgGestArea	Mean area occupied by a gesture, computed as the area occupied by a minimal adaptive polygon fitted to the gesture.
5	I	RotationZeroCrossing_z	Gyroscope z-axis (vertical) value sign (+/−) change count.
6	T	GesturesHeightStdDev	Standard deviation of height (x-axis in landscape) values.
7	T	GesturesHeightMax	Maximum value of height (x-axis in landscape).
8	I	AccelerationMagnitudeMax	Maximum accelerometer value irrespective of axis.
9	I	AvgGesturesHeight	Mean height (x-axis in landscape) value.
10	T	GestureDurationMin	Minimum duration of a touch gesture.
Sharing
1	I	AccelZeroCrossing_x	Accelerometer x-axis (longitudinal) value sign (+/−) change count.
2	I	RotationCorrelation_1_2	Pearson product-moment correlation coefficient between gyroscope y- and z-axis rotation values.
3	I	AttitudeStdDev_y	Standard deviation of the gyroscope static y-axis values.
4	I	AttitudeMean_y	Mean of the gyroscope static y-axis values.
5	I	RotationCorrelation_0_1	Pearson product-moment correlation coefficient between gyroscope x- and y-axis rotation values.
6	I	AttitudeRMS_x	Room mean square of the gyroscope static x-axis values.
7	I	AttitudeZeroCrossRate_x	Frequency of the sign (+/−) change of gyroscope x-axis.
8	I	RotationMean_z	Mean value of the gyroscope z-axis rotation.
9	I	RotationMeanMagnitude	Mean value of the norm of the gyroscope rotation.
10	I	RotationMin_z	Minimum value of the gyroscope z-axis rotation.