First is a link to Nethack 3.4.3 for Ben Nanonote.
Based on jmarch's src code, I simply recompiled (with optimal GCC compilder options) so that this will work with latest OpenWRT.
Also, I made sure that you can run it from any filesystem type - no "perm_lock" issues!
Download Nethack 3.4.3 for Ben Nanonote Binary
Second is Rogue also for the Ben Nanonote.
Makes use of setfont2 80x30 column mode but seems to work nicely.
Download Rogue for Ben Nanonote Binary
Screenshot using fbgrab of Rogue on Ben Nanonote.
The font use sub-pixels due to the NN's pixel layout. Looks much better on the actual device.