A system, comprising: one or more processors configured to: obtain a number of invalid user tap operations with respect to a screen (104; 204; 706) of a device (100; 200; 700), wherein an invalid user tap operation comprises a user tap operation with respect to a pre-configured embedded point located in a periphery of an application icon displayed at the screen; determine that the number of invalid user tap operations exceeds a preset number; in response to the determination that the number of invalid user tap operations exceeds the preset number: present a settings prompt panel, wherein the settings prompt panel is configured to display information regarding how the device can be tilted to adjust a display area of a plurality of application icons at the screen; and obtain a set of tilt angle parameters from a gravity sensor associated with the device; determine a tilt angle and a tilt direction based at least in part on the set of tilt angle parameters; and adjust a display area of a plurality of application icons at a screen based at least in part on the tilt angle, the tilt direction, or both; and one or more memories coupled to the one or more processors configured to provide the one or more processors with instructions. one or more processors configured to: obtain a number of invalid user tap operations with respect to a screen (104; 204; 706) of a device (100; 200; 700), wherein an invalid user tap operation comprises a user tap operation with respect to a pre-configured embedded point located in a periphery of an application icon displayed at the screen; determine that the number of invalid user tap operations exceeds a preset number; in response to the determination that the number of invalid user tap operations exceeds the preset number: present a settings prompt panel, wherein the settings prompt panel is configured to display information regarding how the device can be tilted to adjust a display area of a plurality of application icons at the screen; and obtain a set of tilt angle parameters from a gravity sensor associated with the device; determine a tilt angle and a tilt direction based at least in part on the set of tilt angle parameters; and adjust a display area of a plurality of application icons at a screen based at least in part on the tilt angle, the tilt direction, or both; and obtain a number of invalid user tap operations with respect to a screen (104; 204; 706) of a device (100; 200; 700), wherein an invalid user tap operation comprises a user tap operation with respect to a pre-configured embedded point located in a periphery of an application icon displayed at the screen; determine that the number of invalid user tap operations exceeds a preset number; in response to the determination that the number of invalid user tap operations exceeds the preset number: present a settings prompt panel, wherein the settings prompt panel is configured to display information regarding how the device can be tilted to adjust a display area of a plurality of application icons at the screen; and obtain a set of tilt angle parameters from a gravity sensor associated with the device; present a settings prompt panel, wherein the settings prompt panel is configured to display information regarding how the device can be tilted to adjust a display area of a plurality of application icons at the screen; and obtain a set of tilt angle parameters from a gravity sensor associated with the device; determine a tilt angle and a tilt direction based at least in part on the set of tilt angle parameters; and adjust a display area of a plurality of application icons at a screen based at least in part on the tilt angle, the tilt direction, or both; and one or more memories coupled to the one or more processors configured to provide the one or more processors with instructions. <EOS>