1. A method for optimizing icon arrangement, the method comprising: determining, by a computing device, a cumulative position score of each of a plurality of grids on a display unit; determining, by the computing device, a cumulative acquaintance score of an icon on the display unit; deriving, by the computing device, a compatibility score between each of the grids and the icon based on the cumulative position score and the cumulative acquaintance score; and optimizing, by the computing device, an arrangement of the icon on the display unit based on the compatibility score.