desmume software package provides Nintendo DS emulator, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install desmume
desmume is installed in your system.
Make ensure the desmume package were installed using the commands given below,
$ sudo dpkg-query -l | grep desmume *
You will get with desmume package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Games |
| Package | desmume |
| Version | 0.9.11-1 |
| Description | Nintendo DS emulator |
| Sub Section | Games |