is likely a specialized version of the standard Android System WebView , potentially customized for a specific region (Australia, indicated by the "au" prefix) or a specific device manufacturer's firmware. What it is

Yes, this is a legitimate system-level component. It is not a standalone app you would "open," but rather a background service that other apps call upon. Common Issues

It often updates automatically through the Google Play Store to ensure security patches are applied to the browser engine. Is it safe?

Many developers or carriers use the "au" prefix for Australian-market versions of software.

If you see this in your app list or "My Activity" logs, it simply means an app you were using (like Gmail, Facebook, or a banking app) was displaying a web page or ad.