Map your handheld’s physical face buttons to match standard arcade layouts (Jump, Attack, Special).
RetroArch utilizes modular programs called "Cores" to emulate systems or run engines. Launch retroarch.exe from your portable folder. Navigate to > Online Updater > Core Downloader . Scroll down the list until you find Beat 'em Up (OpenBOR) . Select it to download and install the core. retroarch openbor core portable
folder in the same root directory. You can add this standalone executable to frontends like ES-DE (EmulationStation Desktop Edition) to keep it alongside your RetroArch library. 3. Alternative Frontends for "Portable" Feel Map your handheld’s physical face buttons to match