Subtitles
Most services include English subtitles on Hindi films and Hindi subtitles on many others. Open the speech-bubble or audio menu in the player and choose a language.
Audio tracks
South Indian films are often offered in Hindi, Tamil, Telugu, Malayalam and Kannada, and Hollywood films often in Hindi.
Audio description
Some services include an audio description track, listed in the same menu.
Style
Most apps let you change the size and colour of subtitles.