Swipe over to the card that you want to know the stats for the select "stats:
You will see a graph that gives you an option of "Sends" and "Views"
"Sends" will show you the amount of sends per card that you have in your deck:
"Views"will show you the amount of views per card that is in your deck:
You can also change your stat settings to "Daily", "Weekly", "Monthly" and "Yearly":
Check this out in action on our YouTube video: Access the Stats on your card's performance