Blindfold Fireworks is a fully accessible audio fireworks simulation app.

Tap on the screen once to create a short explosion, from 2 to 4 seconds.
Tap with 2 fingers for a longer explosion.
Swipe up for a short whistle or rocket launch.
Swipe down for a longer whistle or rocket launch.

Blindfold Fireworks was suggested by several blind gamers who use Blindfold Greeting card to send audio e-cards.