A Nintendo 3DS Emulator, It's very simple and is only capable of running homebrews. It currently supports:

• ARM9/ARM11 interpreter for the 3DS appcore – the processor core dedicated to running user applications
• OS HLE to support userland interaction with the various 3DS OS services
• Framebuffer rendering
• Debugger with ARM11 disassembler, register view (written in C#)