Your favorite app with the best fonts package comes with a font scaling tool and now works with Samsung Galaxy series with Android 7.0 and 8.0 and above; including Galaxy S7 S8 S9 Note8 etc. Now you can play with fonts sizes until you get the best one that suits you.
To change font stylefollow below instructions:
OPPO: Settings>>Display & Brightness>>Font
Samsung: Settings>>Display>>Font and screen zoom

Note: Install and restart your device on Samsung Galaxy devices running Android 7.0 or above
This app contains free fonts for Samsung Galaxy OPPO and HTC Sense 6.0 devices designed to be compatible with Monotype Imaging Inc.'s FlipFont® program.

This android application is not affiliated with Monotype Imaging Inc. All functionality trademarks and copyrights remain the property of their respective owners.