Restrict access rights to Forms and Views on ZohoCreator application main page

Restrict access rights to Forms and Views on ZohoCreator application main page

I am creating a Zoho Creator application that should allow users to edit information in existing records, but not to add new records. In addition users should 

I created a View and a stateless Form that are embedded on my website and that allow users to edit information in existing records, but not to add new records. In addition I created a handful of additional Forms that are opened as popup windows from the stateless "main form" that allows the user to edit detail information.

The Views and Forms are private and only shared with selected users. In the Views I enabled only edit permission, no add or delete permission.

The issue that we have is that once an user logs on, e.g. by clicking the invitation link, he is led to the ZohoCreator application main page, where he sees all the Forms and Views that we shared with him. He can even open Forms and add new records, although he shouldn't be allowed to do that.
On the other hand I had to share the Forms and Views with him, otherwise the popups that are opened from the embedded stateless form wouldn't work.

Is there a way to restrict the access to Forms and Views on the ZohoCreator application main page, but still allow users to edit records in popup windows? How can we especially prevent users from adding new records?
Or is it possible to redirect the user after the login to OUR website, not the ZohoCreator application main page?

Thanks in advance,
Ute