ZFont specification
You can change the font size for Xiaomi, huawei, samsung, vivo, opp, rootme realme.
versions supported by SAMSUNG
Dog upside down
Lollipop (5.0–5.1.1), marshmallow (6.0–6.0.1), nougat (7.0–7.1.2), Oreo and fish (8.0)
Pie (9.0) OneUI, selected fonts do not work on Android10 🙁
But we can change the font with the official Flip Font monotype