In Grid view (found in project settings, click anywhere on a project card, and drag and drop a project either to reassign it to another person as individual action, move the project from one role to another (if viewing 

by Role), and change the status.

To change the status/move to another column:

Click on the project card you want to move.

Drag the card to any where in the the desired column/status.

Release the mouse when the card is in the new status column.