cen64-qt software package provides Cross-platform graphical frontend for the CEN64 emulator, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cen64-qt
cen64-qt is installed in your system.
Make ensure the cen64-qt package were installed using the commands given below,
$ sudo dpkg-query -l | grep cen64-qt *
You will get with cen64-qt package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Other OSs and file systems |
| Package | cen64-qt |
| Version | 20160405-alpha-1 |
| Description | Cross-platform graphical frontend for the CEN64 emulator |
| Sub Section | Otherosfs |