Crunchyroll: Moonstone Island is an engaging adventure game available on Android, designed for fans of anime and exploration. As part of the Crunchyroll Game Vault, it offers a unique experience without ads or in-app purchases, requiring a Premium membership for access. Players embark on a journey to complete Alchemy training on a sky island, utilizing nature spirits, potions, and community interactions to uncover the island's secrets. The game features 100 procedurally generated islands for players to build homes, cultivate crops, and form relationships with NPCs.

The exploration aspect is enhanced with various travel methods such as balloons and gliders, alongside opportunities to tame wild spirits and delve into dungeons for loot and upgrades. Players can customize their characters with unique skills and craft numerous items and vehicles. Additionally, several DLC packs are included, offering themed decorations and items to enrich the gaming experience, making it a comprehensive adventure for players seeking both creativity and exploration.