Mobile electronic device and operation interface adjustment method thereof based on handedness status and frequency of use

An operation interface adjustment method, adapted for a mobile electronic device comprising a touch screen, the method comprising:

• launching an application (app);
• determining a handedness status;
• determining a display position of each of a plurality of control options in an operation interface of the app according to the handedness status and a frequency of use of each of the control options of the app;
• and
• displaying the operation interface comprising the control options via a touch screen according to the display position of each of the control options in the operation interface,
• wherein the step of determining the display position of each of the control options in the operation interface according to the handedness status and the frequency of use of each of the control options of the app comprises:
• obtaining an importance score of each of the control options when a number of times the app is launched is greater than a default value, wherein the importance score of each of the control options is determined based on the frequency of use of each of the control options;
• and
• determining the display position of each of the control options in the operation interface based on an interface display edge corresponding to the handedness status according to the importance score of each of the control options.