Enable the web server in RetroArch, install the app on your phone, and enjoy a wireless, streamlined emulation experience.
Many players use "companions" like ES-DE or Launchbox to provide a more visual, modern-looking interface while RetroArch runs the games in the background. How to Enable the UI Companion retroarch ui companion
Most casual users will never need to touch this setting. However, if you are a "power user" who prefers managing your collection on a PC rather than through a console-style menu, the UI Companion is vital. Enable the web server in RetroArch, install the