Install libretro-beetle-wswan by entering the following commands in the terminal:
sudo apt update sudo apt install libretro-beetle-wswan
Description:
Libretro wrapper for the Beetle WSWAN core
This wrapper makes Beetle WSWAN core API compatible with libretro, thus allowing its use with libretro frontends, such as RetroArch. . Beetle is a fork of Mednafen for libretro. This core emulates the Bandai handheld WonderSwan hardware. . The Mednafen WSWAN core is itself a fork of Cygne. . WonderSwan is (C) by Bandai, Cygne is (C) by Dox. All rights reserved.
Homepage: https://github.com/libretro/beetle-wswan-libretro
Version: 0.9.35.1+git20160623-1
Section: universe/games