On Mon, 1 Jan 2018 10:24:22 +0000, mechanic
wrote:

but that's not the
same as the picture viewer offering to search the LAN for images to
display. And working with files is working against the Android
system

No. Install Kodi on your Windows PC and on your Android for streaming
pictures and videos from PC to Android.

Or use a file manager like Total Commander for Android (with plugin
for LAN/Windows network, should be installable from inside TC for
Android, or he https://www.ghisler.com/androidplugins/download/

Regards

M.