DeSmuME is a Nintendo DS emulator for Windows, Linux, Mac OS X, and Android. It allows users to play their favorite Nintendo DS games on their computer or mobile device. It features a full-screen mode, dual-screen support, joystick support, configurable hotkeys, and supports save states, cheats, and more. It also features support for the Illusory Wall, a game-style that displays the top and bottom screens of a Nintendo DS game simultaneously. DeSmuME is an open-source project, and is constantly updated with new features, bug fixes, and performance improvements.
Discontinued Last Updated: February 12, 2012
RetroArch
No$GBA
Drastic
nds4droid
iDeaS
WinDS PRO
It is the best DS emulator for Android. Well worth the price. It has all the features you could ask for, except the multiplayer / link function.