The main feature is the separated management of applications and windows. Das heißt, ist das Hauptmerkmal der getrennte Verwaltung von Anwendungen und Fenster. The top left hot corner offers access to launching applications, while the top right one offers access to window management. More information, including the remaining list of limitations and problems, is available after the installation in ~/.local/share/gnome-shell/extensions/apps-and-wins/readme.txt