This tool can be used to create PDF writing sheets for Cantonese. You enter the Cantonese text that you want and then you can get custom PDF Cantonese worksheets to practise your written Cantonese. The standard (basic) settings show how things can be laid out. The basic settings the characters are set to fade automatically across from strong to almost invisible across the page (later in the advanced settings you'll see this under gradual face selected). There is also jyutping above the characters in the copybook worksheets. There are loads of options to change in this Cantonese writing worksheet/workbook creator.
If you want more instructions, you can also see our video How do you create Chinese character worksheets