This is a textviewer for the DS written with the help of palib.

Features:

– Full GPL sourcecode supplied;
– Smooth scrolling display;
– Supports both pad and stylus scrolling;
– Text scrolls seamlessly over both DS screens;
– Object-orientated design for easy integration into other C++ software;
– Uses the old AmigaOS 3.0 “Topaz” font;
– Support for any standard PALib-style bitmap font (8-bit only);
– DLDI text file loading.

Missing:

– No file requester – loads a file called “text.txt” from the filesystem’s root.

http://palib.info/forum/modules/newbb/viewtopic.php?topic_id=3471&forum=28