If You Have a Tablet, Use an External Keyboard & Mouse
At your Open House you need to make the Visitor Sign-In process as effortless as possible. You also want to appear to the visitors as a the Savvy Real Estate Pro that your are, who does things the right way. No clunky paper sign-in sheets here!
So then why have people sign-in on your Ipad or Tablet using the onscreen touch keyboard? Talk about clunky, it hides half the screen and does not make the sign-in process smooth. Shell out the couple of bucks and get an external Ipad or Tablet keyboard. Many also have a mouse trackpad built-in. Logitech is one of the numerous manufacturers of add-on keyboards for Ipads and Tablets. To find them just google Ipad or Tablet keyboards.