Hello Team
  
 got this going - ie able to use finger to sign on smart phone 
  will post the changes here for the poor soul who may be implementing this next
  
 changed code in js signaturepad from
  
 old code
  
 ************************************************ 
 
this.velocityFilterWeight = opts.velocityFilterWeight  0.7; 
         this.minWidth = opts.minWidth  0.5; 
         this.maxWidth = opts.maxWidth  2.5; 
         this.dotSize = opts.dotSize  function () { 
             return (this.minWidth + this.maxWidth) / 8;
 
 ************************************************* 
 
new code
  
 this.velocityFilterWeight = opts.velocityFilterWeight  1.5; 
         this.minWidth = opts.minWidth  2.5; 
         this.maxWidth = opts.maxWidth  2.5; 
         this.dotSize = opts.dotSize  function () { 
             return (this.minWidth + this.maxWidth) / 8;
 
 Thanks much 
 Wilson