Turning them on
Start the film, tap the screen, and open the speech-bubble or Audio and Subtitles menu. Pick a subtitle language, and switch the audio track in the same menu.
Hindi and English
Many Hollywood films carry Hindi audio on the big services in India, and most Bollywood films carry English subtitles abroad, so Dhurandhar and Avengers: Endgame work for the whole family.
Easy to read
Most apps let you change subtitle size and background in their settings.
Captions
Closed captions add sound descriptions and are available on most titles.