How to combine VK widgets?

Question

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I use VK comments on the site.
But I also need the user's mail.
Mail can only be received in the standalone application, and comments refuse the application and require a web application.
How can I combine these 2 things?

Answer 1

no way

Answer 2

Email can be requested not only in the standalone application. https://vk.com/dev/access_token?f=1.%20Key%20access...
With the use of the comments widget, this does not intersect in any way.