A computer implemented method and apparatus for providing comb field text inputs on a mobile device comprising displaying a document on a mobile device, detecting entry of a comb field of the document on the mobile device, the comb field comprising at least one comb cell, determining a size of a canvas that fits onto the comb field on the mobile device, and generating a mobile platform canvas based on the comb field parameters, the mobile platform canvas capable of receiving at least one text character input.