You will need both the Just Shapes & Beats APK v1.6.31 and the corresponding OBB/Asset file (typically around 440MB–650MB).
The version (specifically v1.6.31b) is often sought after as a "fix" because it addresses compatibility issues found in earlier mobile ports, particularly regarding performance and missing assets. Key Features of v1.6.31 download just shapes beats apk v1631 fix
Features tracks from over 20 indie artists, including chiptune and EDM hits that pulse in sync with the hazards. How to Install the v1.6.31 APK + OBB You will need both the Just Shapes & Beats APK v1