If it's a drawing application, then I recommend doing something like this: ACLS XSCREEN 3 'no 3d, hide keyboard DISPLAY 1 COLOR=RGB(255,0,0) 'red WHILE 1 'Infinite loop VSYNC OLDX=TCHX:OLDY=TCHY TOUCH OUT TCHT,TCHX,TCHY IF TCHT==1 THEN GPSET TCHX,TCHY,COLOR ELSE GLINE OLDX,OLDY,TCHX,TCHY,COLOR ENDIF WEND