I was refused when updating the application for the following reason:
22.4 Details
Also, your app falls into a review of the App Store Review Guidelines. Specifically, the app provides VKontakte social network. We've attached screenshot (s) for your reference.
Before that they missed. In the application, the received photos are posted on the VK wall, who knows how to please the App Store so that the function remains?
They attached their screenshots:
https://yadi.sk/i/1oZguYoFh7YLZ
https://yadi.sk/i/8SKpKqz6h7YLf
https://yadi.sk/i/bZC1nGX1h7YLb
The application works like this: when you click on Activate, a window appears for entering the login password as in the screenshot (if you enter, the post will be placed on the wall automatically), and if you do not enter it, you can go to the main page of VK and use the website in this window to the fullest (movies and music to play), that's why Apple gives a turn turn!