Slide open the 'Mailbox' tab.
Your 'Friend Request' appears in your 'Notification Center (!)'. Tap the checkmark to accept.
A GREEN dot appears next to your contact. You and Sergio are now connected and can start sending each other Qcards.
To learn how to send a Qcard, view the tutorial "How to send someone a Qcard"
The creator of this guide has not included tools