You can change the buttons added to the board or the attributes available on the back of your cards by changing settings. Go to "Show menu", "Projects by Placker", then "Edit settings". There you can:
Select what types of views you would like to see (up to three).
What buttons will show when you click a card. We suggesting showing the features you will use.
For the most used card attributes, if they will be visible in a card. There is an option to show them only when they have values (not empty).