Emulator: DeSmuME 0.9.11 (15.04.2015)
Hardware: 2004 - 2014
Wiki: https://en.wikipedia.org/wiki/Nintendo_DS
Manual: https://wiki.desmume.org/index.php?title=DeSmuME_Manual_for_the_Windows_port

Hotkeys:
Alt + F4 = Quit
Alt + Enter = Switch between full screen and windowed modes.
F = Warp Mode
P = Toggles pause
Shift F1 - F10 = Save a state to file
F1 - F10 = Load a state from file