Change the connection on your Tapzo Smart Business Card anytime. Change your connection between; Tapzo Profile, any Custom URL, and Contact vCard. Please note this app has been made for Tapzo Smart Cards. If you do not own a Tapzo Smart Card then you will only be able to write Website URL NFC tags. Tapzo Profile: Have your Tapzo Smart Business Card link to your Tapzo Profile when you tap on any smartphone. Custom URL: Have your Tapzo Smart Business Card link to any website URL that you want