The single most useful stylus we tested this time was Ten One Design’s Pogo Sketch Pro ($25), a more sophisticated sequel to the company’s nearly three-year-old Pogo Sketch. While the Pro version sells for a $10 premium over its predecessor, it uses a more sophisticated design, comes with two different tips—a simple rubber “standard tip” that’s quite like the dome-styled tips of rival styluses, as well as a stubbly…