NTLM authorization proxy on Android Is it possible to run NTLM authorization proxy on Android? It is written in Python, and should provide proxy compatibility.

See also this question:

How to set HTTP proxy and proxy authentication credentials in wifi?
Not an answer to your question exactly, but it solves the main issue. I have coded a solution for this, you can download the apk on http://forum.xda-developers.com/showthread.php?t=1083284. It uses a cntlm binary to process the authentication.