Display Screen with Application Icon

FIG. 1 is a front view of a display screen with application icon showing the new design enlarged and without the broken line disclosure of the display screen for clarity of illustration; FIG. 2 is a front view of a second embodiment of a display screen with application icon showing the new design enlarged and without the broken line disclosure of the display screen for clarity of illustration; FIG. 3 is a front view of a third embodiment of a display screen with application icon showing the new design enlarged and without the broken line disclosure of the display screen for clarity of illustration; FIG. 4 is a front view of a fourth embodiment of a display screen with application icon showing the new design enlarged and without the broken line disclosure for clarity of illustration; FIG. 5 is a front view of a display screen with the application icon shown in FIG. 1 ; FIG. 6 is a front view of a display screen with the application icon shown in FIG. 2 ; FIG. 7 is a front view of a display screen with the application icon shown in FIG. 3 ; and, FIG. 8 is a front view of a display screen with the application icon shown in FIG. 4 . The broken-line perimeter shown in FIGS. 5 - 8 illustrate a display screen and form no part of the claimed design. The remaining broken lines shown in FIGS. 5 - 8 illustrate portions of a graphical user interface and form no part of the claimed design.