The goal of this project is to create a port of NetHack for the DS utilizing the unique features of the DS to create an easy-to-use NetHacking experience.

Release notes from Abcd1234:

Fixed a regression where entering text on the keyboard would generate an erroneous tap in-game.
Fixed directional tapping to work when number_pad is enabled.
Fixed a regression preventing players from specifying ‘>’ for digging, etc.
Fixed bonesfile dropping (ie, it works now).
Fixed the sticky keyboard issue (sometimes the virtual buttons wouldn’t get released after the stylus was raised).
Fixed compassmode (Up/Down and Left/Right were swapped… whoops!).
Added support for inverse text (eg, menucolors).
Added the sortloot patch (NHDS’s interface patchset is now includes everything used on nethack.alt.org).
Turned off holdmode by default.
Enabled key repeats on the virtual keyboard.
Enabled key repeats in the command window, and changed it so the cursor will wrap, rather than stop, at the edges.
Added support for unbinding keys (ie, binding keys to “No Command”). Useful for unbinding they triggerkey in triggermode.

http://frodo.dyn.gno.org/~brettk/NetHackDS