Go to your device Settings > Security (or Privacy) and toggle on "Install apps from unknown sources."
APK files allow users in different regions to access the tool without "not available in your country" errors.
Open the file from your "Downloads" folder and follow the on-screen prompts.
Use a mobile antivirus tool to scan the downloaded file before opening it.
Since this app is distributed via APK, you must follow specific steps to ensure a secure installation:
It often works on older Android versions that newer VR apps no longer support.