Using this fonts you can not restart your phone for apply font of selected choices. Here You can view the font using the inverse option in this app.
Comfortaa Fonts is allows you to view sample fonts of all the collection of Zawgyi-One FlipFont font in the proper list. If you want to used any font to apply in your phone, you can easy to set via Display Setting in this font app option.
When display setting open then you can select Font Style and select proper font whatever you would like to set in your phone. This all fonts used in all the samsung phone device such as S3, S4 etc.
To enjoy with this fonts and free to install this app.