Integrating gmail with Free Account (account with 3 users)

Integrating gmail with Free Account (account with 3 users)

Hi, From your help pages, it is not clear,
how my gmail account can be added to zoho mail
so that I can see all mails in my gmail inbox from within Zoho.
 
This is what I wan to set up: all the mails that comes to my gmail account
needs to be transferred to Zoho,
so that I can respond to all mails from Zoho.
 
I saw a video http://www.zoho.com/crm/crm-email.html,
but the screens in it is totally different from what I see
(may be the screens are only for a paid account, and mine is a free account?)
 
Thanks for the help.
Joseph