Ensure "Install from Unknown Sources" is enabled in your browser or file manager settings.
You generally need at least twice the file size (approx. 200MB+) available to extract and install an XAPK.
If you have an older version of the app already, you may need to uninstall it first before the new XAPK will install. Download Haylou Fun V3.7.5 for Android | Uptodown.com
