This fonts generating more features like CALT (Contextual Alternates), DLIG (discretionary ligatures), SS (Stylistic Set), INIT & FINA (initial and terminal) .
Lowercase : when the letter meets the same letter (aa,bb,cc,etc) there will not having same letter. it will look different a little bit, the function is for make you get the natural feel of hand typing.
Uppercase : Comes with 2 stylistic alternates to give you the option.
Alternate Characters : It’s over than 10 stylistic in some letter, and some alternates which is usable for word.