Choose to Display Lists in Contact Card Style

This common activity will generate an instance list browser like this example:

Note how each item is presented in the format of a contact (or business) card.

The elements that appear on the contact card are derived from the columns you defined to be part of your business object's instance list.  

You will probably need to customize the instance list browser as you see fit. For example, the shipped People demonstration browser is a customized contact card style: