The Sirens Companion app is designed to enhance the experience of playing the board game Sirens, a part of the Tiny Game Series by Envy Born Games. After completing a game of Sirens, players have the option to arrange their cards in a 2x3 grid. With this setup, the app enables players to capture a snapshot of their card arrangement. In a remarkable real-time feature, the app then brings the unique song composed during the game to life, playing it back for the players to enjoy.