1 - Visit the link to access Google Fonts: https://fonts.google.com/
2 -Select the desired font.
3 - Copy the link that is inside the tag.
4 - Go to Layout> Application Css (Themes).
5 - After that, click Advanced Mode.
6 - To use Google Fonts in apps you must first add the Google font link in your theme.
7 - Click the "Change all theme fonts" button to edit all fonts in the project.
8 - A box will appear to add the font family to use and the selection of the button group to use in the theme.
With this option Scriptcase will change all fonts, including buttons, if you are using the default button template, if you are using a template you created, you can also select to change it with the new font you selected.
You can also use offline sources by simply using the source link and clicking Download.