While you asked for v0.4, most users look for the "Full Feature" experience which was largely solidified in the transition to v0.5.1 and later:
Are you having the file on a specific device? Chosen Few [v0.4] [APK]
The project has moved past v0.4 and is currently at v0.7 (and beyond). While you asked for v0
Downloading APKs from unofficial third-party sites (often labeled as "Full Feature" or "Unlocked") carries significant risks: While you asked for v0.4