Alpha 3 was a milestone in the original game's development that introduced several key features now found in the full mobile game:
The developers, Dynamic Pixels, did not officially port the Alpha builds to mobile devices. The version available on the Google Play Store today is the full, final release (and the "Hello Neighbor Diaries" spin-off). There is no official "Alpha 3" app on the Play Store.
For the average gamer looking for a scary afternoon, tracking down an unofficial APK is a hassle you don't need. You are better off buying Hello Neighbor: Hide and Seek or watching a playthrough on YouTube.
When searching for "Hello Neighbor Alpha 3 Android APK," be cautious. Many third-party sites offer files that may contain malware. Always use a reputable antivirus on your phone and stick to well-known APK repositories if you aren't using the official Play Store. Final Thoughts