It supports many homebrew nds rom demoes as well as a handful of Wireless Multiboot demo nds roms. But even French version of DeSmuME is easy to navigate through menus as it has a similar users interface to DSemu.
The emulator its self is in French (with full user translations to English and other languages). DeSmuME is also known as YopYop DS is written in C++ for Microsoft Windows and can play Nintendo DS homebrew and commercial nds roms. This site is WIP (Work In Progress) - Official DeSmuME Website (now closed) was at ĭeSmuME is a freeware emulator for the NDS roms & Nintendo DS Lite and DSi games created by YopYop156.