But it’s still under testing hence you will find them in Labs tab under settings. Once enabled, you can rotate through new stars by clicking the star icon repeatedly. If you have shortcuts enabled then you can do the same by hitting the “s” key consecutively. There are more SuperStar designs available under general tab of settings. Using all the designs help you indeed but remembering them is a complicated task. Tell me if SuperStars were helpful to you? and What type of icons you use for managing differnt mails?

Gmail Adds Rockstars To Differentiate Important Mails - 64