Feiniu Music has rolled out dedicated apps for Android, iOS, and HarmonyOS, making them accessible across all platforms at the same time, though download methods may differ depending on the system. The app's standout feature is its seamless integration of music resources from diverse platforms, enhanced by intelligent technology that refines song details. It offers functionalities such as categorized management, search capabilities, playlist creation, and music roaming. When it comes to audio quality, the app supports playback in lossless formats and CUE file recognition, adjusting sound quality and data consumption according to varying network conditions. Moreover, the app is tailored for on-the-go use, supporting multiple playback modes and compatibility with in-car systems, as well as remote control and offline caching. The account system employs a dual-mode design to safeguard user privacy and security.