Winlator is an open-source Android application that uses Wine and Box86/Box64 to run Windows x86 applications on Android. Since Lula 3D is a 2005 title, modern mid-range and high-end Android processors can handle it well through this method.
When searching for older software or emulation assets, protect your device by following these guidelines: lula 3d android apk
Given the complete lack of an official version, the most important reason for the confusion is risk. Downloading an APK file from a random website claiming to be "Lula 3D" is incredibly dangerous. Winlator is an open-source Android application that uses