Abstract: The present invention pertains to an automated system for creating and customizing a screen display, comprising: a customizer user interface for interactively presenting a sequence of customizer dialogs each having one or more controls, the controls being responsive to input from a writer of the application project generator to thereby choose from a plurality of generator options; and a customizer tool being responsive to the customizer user interface for creating a screen according to the generator options chosen by the writer, the application project generator comprising: a device template file generator for generating and editing canonical template files and device template files; a screen template generator for generating and editing screen template files; a plurality of canonical template files, a plurality of screen definition files, and a plurality of device templates files; and wherein the screen display is created in HyperText markup language.