A computer-implemented method comprising: displaying a first plurality of icons on a touch-sensitive display of a wearable electronic device; receiving a first input based on a first movement of a physical crown of the wearable electronic device, wherein the first movement is a rotation of the physical crown relative to the display of the wearable electronic device in a first direction (502; 602; 702); and in response to the received first input: in accordance with a determination that the first rotational movement of the physical crown relative to the display of the wearable electronic device includes an angular velocity below a predetermined angular velocity threshold, maintaining the display of the first plurality of icons on the touch-sensitive display of the wearable electronic device; and in accordance with a determination that the first rotational movement of the physical crown relative to the display of the wearable electronic device includes an angular velocity above the predetermined angular velocity threshold, replacing the first plurality of icons with a second plurality of icons on the touch-sensitive display, wherein the second plurality of icons is a subset of the first plurality of icons; receiving a second input based on a second movement of the physical crown of the wearable electronic device, wherein the second movement is a further rotation of the physical crown relative to the display of the wearable electronic device in the first direction (502; 602;; and in response to the second received input, launching an application associated with a first icon of the second plurality of icons. displaying a first plurality of icons on a touch-sensitive display of a wearable electronic device; receiving a first input based on a first movement of a physical crown of the wearable electronic device, wherein the first movement is a rotation of the physical crown relative to the display of the wearable electronic device in a first direction (502; 602; 702); and in response to the received first input: in accordance with a determination that the first rotational movement of the physical crown relative to the display of the wearable electronic device includes an angular velocity below a predetermined angular velocity threshold, maintaining the display of the first plurality of icons on the touch-sensitive display of the wearable electronic device; and in accordance with a determination that the first rotational movement of the physical crown relative to the display of the wearable electronic device includes an angular velocity above the predetermined angular velocity threshold, replacing the first plurality of icons with a second plurality of icons on the touch-sensitive display, wherein the second plurality of icons is a subset of the first plurality of icons; in accordance with a determination that the first rotational movement of the physical crown relative to the display of the wearable electronic device includes an angular velocity below a predetermined angular velocity threshold, maintaining the display of the first plurality of icons on the touch-sensitive display of the wearable electronic device; and in accordance with a determination that the first rotational movement of the physical crown relative to the display of the wearable electronic device includes an angular velocity above the predetermined angular velocity threshold, replacing the first plurality of icons with a second plurality of icons on the touch-sensitive display, wherein the second plurality of icons is a subset of the first plurality of icons; receiving a second input based on a second movement of the physical crown of the wearable electronic device, wherein the second movement is a further rotation of the physical crown relative to the display of the wearable electronic device in the first direction (502; 602;; and in response to the second received input, launching an application associated with a first icon of the second plurality of icons.