Have You Ported Market Place Game Demos to HTML5?

Hi Guys, I am looking for some one who has ported the market place game demos to html5 and its performance as i want to know so how much UE4 Html4 supports the graphics ?

i have another question that using UE4 can i make 3d racing game with few cars a location? realistic materials etc or in UE4 html6 is only limited to 2d games?