Most people will use ASTRO for file manager app.
ASTRO is nice and works, indeed.
But, I found "EStrong file explorer" is much better:
Here are some features that you cannot find it in current ASTRO version:
- Browse to share folder on PC/Linux via LAN (Windows share folder / Samba)
- FTP client built-in
- Built-in ZIP file handling support (extract only at current version)
I tested it to browse my share folder which is located in NetGEAR NAS. It worked fine and fast.
Oh yes, it also has those basic "app manager" features:
in the Market to find this app (thanks to ninjakettle).
And this should be the QR code / barcode: