The menu
Every app has an Audio and Subtitles menu, reached by tapping the screen or pressing down on a remote during playback.
Across languages
Subtitles make every shelf open to you: a Bengali classic like The Japanese Wife, a Marathi film like Court or a Malayalam hit like Premalu.
Readable subtitles
Most apps let you change the size and background of the text.
Hindi audio
The Dual Audio guide explains switching the soundtrack.