The document provides tips for designing app store icons, including using elements from the app, making the icon aesthetically pleasing, using a similar style to the app, using complementary colors, keeping the target audience in mind, and following app store design guidelines. It then discusses designing an icon for a skateboarding game called "CHAD" by providing initial icon ideas, feedback on two concepts, an action plan for improvements, considering the app's rating on the app store, and outlining the final design process.