For better performance, use modern web font formats like woff and woff2 instead of .ttf . To convert your font, use a free online "Webfont Generator" by searching for the term directly.
It retains the authentic, classic shapes of Assamese and Bengali characters, ensuring maximum readability for native speakers.
Unlike desktop systems, installing custom system fonts on Android is typically done through third-party apps and is often easier on specific manufacturer skins (like Samsung’s One UI).