How can I setup custom fonts?
The app has a small selection of fonts pre configured. You can add more fonts in the "Settings" tab:
In the "Font settings" section: 
Google font
You can search in all of the available Google fonts. Select the font you want to add and click on "Add Google font":
Upload font
Upload fontYou can also upload your own font. Click on "Upload font", enter a name for your font (The name will be used in the font preview) and upload at least one font variant:
Product options
On your product options configuration you can then use the configured fonts.
Show font selector
You can show a font selector by adding a new option of type "Font":
The font selector will show each font name rendered in the actual font:
Connect to live preview
In the live preview section, if you want to update the font for a text layer. Connect the font option with the font selector:
