topia: Virtual Live Karaoke is a unique Android application that enables users to create personalized 3D avatars for live streaming and karaoke sessions. By utilizing facial expression recognition technology, users can engage in performances without revealing their identities. The app supports a variety of customization options for avatars, allowing for a diverse range of expressions and movements. Users can choose from different live backgrounds to enhance their streaming experience, all while enjoying low latency and high-quality visuals.

In addition to singing Japanese Anime songs and VOCALOID tunes, topia fosters community interaction by allowing users to chat and send gifts during broadcasts. The app enables collaboration with up to 12 participants, making it a social platform for users to connect over shared interests. With the ability to earn in-app coins through live streaming and a continuous addition of new avatar costumes, topia offers a fun and engaging environment for karaoke enthusiasts and aspiring VTubers.