Latest SPoT 3.4.4 and vSPoT 2.4.4 User Guide on Support is at this URL:https://ruckus-support.s3.amazonaws.com/private/documents/1017/SPoT-3-4-4%20and%20vSPoT-2-4-4-user-g...
You need a SPoT license, and should login with your account info (page 18).
You need your APs in a Group with Venue FQDN and server port (page 29).
iOS SPoT Calibrator App instructions start on page 56. When prompted to login, use your SPoT account uid/pw,
not the controller admin login credentials.