An electronic device comprising: a touchscreen display comprising a first portion and a second portion; at least one processor electrically connected to the touchscreen display; and a memory electrically connected to the at least one processor, wherein the memory is configured to store an application program comprising a function and a plurality of sub-functions, and wherein the memory is further configured to store instructions that, when executed by the at least one processor, cause the at least one processor to: receive, from the touchscreen display, a first input; display, on the touchscreen display, a user interface (UI) in response to the first input, the UI comprising: a first area displayed on the first portion, and a second area displayed on the second portion, the second area comprising at least one indication corresponding to a sub-function of the application program, wherein the indication comprises a first icon representing the application program and a second icon representing the corresponding sub-function; receive, from the touchscreen display, a second input selecting an indication from among the at least one indication; execute the sub-function corresponding to the selected indication in response to the second input without separately executing the application program; and display, on the touchscreen display a UI corresponding to the executed sub-function. a touchscreen display comprising a first portion and a second portion; at least one processor electrically connected to the touchscreen display; and a memory electrically connected to the at least one processor, wherein the memory is configured to store an application program comprising a function and a plurality of sub-functions, and wherein the memory is further configured to store instructions that, when executed by the at least one processor, cause the at least one processor to: receive, from the touchscreen display, a first input; display, on the touchscreen display, a user interface (UI) in response to the first input, the UI comprising: a first area displayed on the first portion, and a second area displayed on the second portion, the second area comprising at least one indication corresponding to a sub-function of the application program, wherein the indication comprises a first icon representing the application program and a second icon representing the corresponding sub-function; receive, from the touchscreen display, a second input selecting an indication from among the at least one indication; execute the sub-function corresponding to the selected indication in response to the second input without separately executing the application program; and display, on the touchscreen display a UI corresponding to the executed sub-function. receive, from the touchscreen display, a first input; display, on the touchscreen display, a user interface (UI) in response to the first input, the UI comprising: a first area displayed on the first portion, and a second area displayed on the second portion, the second area comprising at least one indication corresponding to a sub-function of the application program, wherein the indication comprises a first icon representing the application program and a second icon representing the corresponding sub-function; a first area displayed on the first portion, and a second area displayed on the second portion, the second area comprising at least one indication corresponding to a sub-function of the application program, wherein the indication comprises a first icon representing the application program and a second icon representing the corresponding sub-function; receive, from the touchscreen display, a second input selecting an indication from among the at least one indication; execute the sub-function corresponding to the selected indication in response to the second input without separately executing the application program; and display, on the touchscreen display a UI corresponding to the executed sub-function. <EOS>