how to autofill fields in zoho creator with the data from zoho crm ?

how to autofill fields in zoho creator with the data from zoho crm ?

I have build 5 leads with Candidates name , email , Status (qualified , not qualified , etc. etc.)
now i've build an application in Zoho creator , with First name , Last name Email, status , Final status .
I want these to get autofilled by the data from Zoho CRM. And any updates made in Creator should get reflected back in CRM !
How should i do ?
Please guide .

Regards!