Perhaps bVNC, my open-source VNC app with AutoX functionality, would serve your purposes? AutoX provides the same functionality as NX but uses VNC rather than a compressed X protocol. The back-end consists of x11vnc and Xvfb or Xvnc.
It's available on Google Play and Blackberry World for free and as donation-ware. Search for "bVNC" and you'll find it easily, but here are links to Google Play and BB World:
Here is a link to the instructions for AutoX:
and a link to my post about a checf cookbook I wrote to configure a shared server automatically for AutoX (overkill for personal installations, but if you're a fan of chef, why not?)
I hope you like it!