In the quick-start bar you can add only programs and applications from appstrm.com. For this purpose, right-click on the toolbar and select Get More Apps. After you are redirected to the AppStream page, use the Search for apps option to find an application and press the +Add to Browser button to place its icon on the toolbar. Also, you can move your mouse over the Most Popular Apps, Newest Apps, Featured Apps sections and press the green + Add button.