A mobile terminal comprising: a touch screen configured to output a first execution screen (410, 510) of a first application; and a controller configured to: switch the first execution screen (410, 510) to a second execution screen (430, 530, 720) of a second application different from the first application and control the touch screen to display a first icon (411, 511, 610, 630, 711, 712) representing the first application in response to a first control command received while the first execution screen is displayed on the touch screen, wherein when a first touch input is applied to the second execution screen, screen information comprised in the second execution screen (430, 530, 720) is changed in a state of that the first icon (411, 511, 610, 630, 711, 712) is overlapped with the second execution screen, and wherein the first icon (411, 511, 610, 630, 711, 712) is still displayed on the touch screen after the screen information comprised in the second execution screen is changed, and control the touch screen to display the first execution screen of the first application in response to a second touch input applied to the first icon (411, 511, 610, 630, 711, 712), and in a state in which the second execution screen is displayed on the touch screen, when the first control command is applied, switch the second execution screen (430, 530, 720) output to the touch screen to a third execution screen different from the second execution screen, and control the touch screen to output a second icon (721, 722) corresponding to the second application such that it is in the proximity of the first icon (411, 511, 610, 630, 711, 712), in response to the first control command. a touch screen configured to output a first execution screen (410, 510) of a first application; and a controller configured to: switch the first execution screen (410, 510) to a second execution screen (430, 530, 720) of a second application different from the first application and control the touch screen to display a first icon (411, 511, 610, 630, 711, 712) representing the first application in response to a first control command received while the first execution screen is displayed on the touch screen, wherein when a first touch input is applied to the second execution screen, screen information comprised in the second execution screen (430, 530, 720) is changed in a state of that the first icon (411, 511, 610, 630, 711, 712) is overlapped with the second execution screen, and wherein the first icon (411, 511, 610, 630, 711, 712) is still displayed on the touch screen after the screen information comprised in the second execution screen is changed, and control the touch screen to display the first execution screen of the first application in response to a second touch input applied to the first icon (411, 511, 610, 630, 711, 712), and in a state in which the second execution screen is displayed on the touch screen, when the first control command is applied, switch the second execution screen (430, 530, 720) output to the touch screen to a third execution screen different from the second execution screen, and control the touch screen to output a second icon (721, 722) corresponding to the second application such that it is in the proximity of the first icon (411, 511, 610, 630, 711, 712), in response to the first control command. switch the first execution screen (410, 510) to a second execution screen (430, 530, 720) of a second application different from the first application and control the touch screen to display a first icon (411, 511, 610, 630, 711, 712) representing the first application in response to a first control command received while the first execution screen is displayed on the touch screen, wherein when a first touch input is applied to the second execution screen, screen information comprised in the second execution screen (430, 530, 720) is changed in a state of that the first icon (411, 511, 610, 630, 711, 712) is overlapped with the second execution screen, and wherein the first icon (411, 511, 610, 630, 711, 712) is still displayed on the touch screen after the screen information comprised in the second execution screen is changed, and control the touch screen to display the first execution screen of the first application in response to a second touch input applied to the first icon (411, 511, 610, 630, 711, 712), and in a state in which the second execution screen is displayed on the touch screen, when the first control command is applied, switch the second execution screen (430, 530, 720) output to the touch screen to a third execution screen different from the second execution screen, and control the touch screen to output a second icon (721, 722) corresponding to the second application such that it is in the proximity of the first icon (411, 511, 610, 630, 711, 712), in response to the first control command.