Yodajr is heavily working on Super Mario Land Advance. Recently he has released this small "video" of the current work in progress. The download available is still the old v0.1. Read more about Super Mario Land Advance WIP (GBA Game)
Yape is the best emulator of Commodore microcomputer family running on Windows and Unix. The emulator faithfully imitates the C-264 (alias Commodore Plus/4) model. It has been written by Attila Grosz, see http://yape.plus4.net for details. GP2X-Yape is a port of the version v0.32.4 by ZX-81. Read more about GP2X-Yape v1.0.1 (Plus4 emu for GP2x)
SimCoupe emulates a SAM Coupe - an 8-bit, Z80-based home computer released in 1989 by Miles Gordon Technology. Originally developed for UNIX and DOS systems by Allan Skillman, it has been then improved and ported to SDL by Simon Owen, Dave Laundon. Read more about GP2X-SIM v1.0.1 (SamCoupe emu for GP2x)
ZXDS is an upcoming emulator of Sinclair ZX Spectrum for Nintendo DS, written by Patrik Rak. It is still in a very early stage of development, but it already has some noteworthy features, like emulation of Spectrum 128k (including sound) or TAP/TZX support. Read more about ZXDS v0.0.4 (Alpha 1) (Spectrum emu for NDS)