This app contains a number of cute classic fonts that works for Samsung phones running Android Nougat (7.0 7.1.1) and Oreo (8.0). It also works on phones that support changing of fonts (HTC OPPO etc)

How to use the fonts:
※ install the app and RESTART your device
※ Go to Settings‣Display‣Font and screen zoom
※ Choose your favorite font and click APPLY

Enjoy!