Here they are, the WebFonts:
https://www.google.com/fonts

I use in the HTML5 standalone

Aclonica
Acme
Antonio Bold
Boogaloo
Caveat Brush
Chango Regular
Comfortaa Bold
DejaVu Sans Condensed Bold (labels)
Dorsa
Droid Serif Bold
Petit Formal Script
Stint Ultra Condensed
Titan One
Yeseva One

Put these fonts to a place, where LC can find it
(usual font install on Mac/Win, on Linux/Raspi
put then into the .fonts directory of your home).