A system, comprising: one or more processors configured to: display an application set identifier in a designated area of a display screen, wherein the application set identifier is associated with an application set, wherein the application set comprises a first application and a second application, wherein the first application is open and is configured to display content at the display screen, wherein displaying the application set identifier comprises overlaying the application set identifier over the content displayed by the first application and wherein the first application is related to the second application; receive a notification, wherein the notification is generated based at least in part on an operation performed at the first application; determine that the notification is associated with the second application; and in response to the determination, change a display of the application set identifier in the designated area to a display of an application identifier associated with the second application; and one or more memories coupled to the one or more processors and configured to provide the one or more processors with instructions. one or more processors configured to: display an application set identifier in a designated area of a display screen, wherein the application set identifier is associated with an application set, wherein the application set comprises a first application and a second application, wherein the first application is open and is configured to display content at the display screen, wherein displaying the application set identifier comprises overlaying the application set identifier over the content displayed by the first application and wherein the first application is related to the second application; receive a notification, wherein the notification is generated based at least in part on an operation performed at the first application; determine that the notification is associated with the second application; and in response to the determination, change a display of the application set identifier in the designated area to a display of an application identifier associated with the second application; and display an application set identifier in a designated area of a display screen, wherein the application set identifier is associated with an application set, wherein the application set comprises a first application and a second application, wherein the first application is open and is configured to display content at the display screen, wherein displaying the application set identifier comprises overlaying the application set identifier over the content displayed by the first application and wherein the first application is related to the second application; receive a notification, wherein the notification is generated based at least in part on an operation performed at the first application; determine that the notification is associated with the second application; and in response to the determination, change a display of the application set identifier in the designated area to a display of an application identifier associated with the second application; and one or more memories coupled to the one or more processors and configured to provide the one or more processors with instructions.