Graphos DS
Back in 2005 I was amazed by the Nintendo DS system, it was so easy to develop for it, and the color touch screen was very responsive. My first NDS project was a graphics editor for MSX SCREEN 2 pictures. It was based on Degiovani's Graphos 3 and named after it.
Download: graphosds10.zip
Source: github
Web: Graphos DS (pt-br)