Use APKPure App
Get Emotion Fontstyle old version APK for Android
Example working emotion ui android phones:G730,G610,G510,3C...etc
How to use this app?
Please check < Settings,About phone > your android phones.
If u have emotion ui version,u can use this app and can change font style.
Very easy and no need to root your android phones.
Note:
This app is only for android emotion ui version phones.