All about Dynamic Views for Readers - Blogger Help: "Mouse over any of the cards to see the post title and comment count. As you scroll down, additional posts will continue to load.
Click on a card to see the post in full view. You can navigate through the posts using J (older post) and K (newer post) or the arrow keys. Hit escape or click Back to all posts to return to the Flipcard view.
In the upper left, click to sort by Date, Author and Category."