Retroarch Ui Companion 〈Full Version〉

1. What Is RetroArch UI Companion? RetroArch UI Companion (often abbreviated as RA Companion ) is an independent, third-party mobile application designed to remotely control and interact with a RetroArch instance running on another device (e.g., a PC, Raspberry Pi, or NVIDIA Shield).

RA Companion reads the same folder structure. | Problem | Likely Solution | |----------------------------------|---------------------------------------------------------------------------------| | "Connection refused" | RetroArch web server not running. Re-check Step 1. | | No playlists appear | RetroArch playlists must exist first (Scan Directory or Manual Scan). | | Thumbnails missing | Download thumbnails via RetroArch’s Online Updater → Update Thumbnails. | | Lag when launching games | Normal — the API triggers a content load. Performance is host-dependent. | | Virtual gamepad doesn’t work | Ensure RetroArch input drivers are set to dinput (Windows) or udev (Linux).| | Authentication fails | Disable web server auth temporarily to test. If it works, re-enter credentials.| 8. Alternatives & Comparison | Tool | Purpose | Platform | |--------------------------|----------------------------------------------|------------------| | RetroArch Web UI | Built-in browser interface (less friendly) | Any browser | | RetroArch Companion | Dedicated mobile remote control | Android / iOS | | Unified Remote | General purpose remote (not RetroArch-specific) | Android, iOS, PC | | JoyToKey + VNC | Overkill for most users | PC + mobile | retroarch ui companion

If you find yourself constantly reaching for a keyboard or mouse to manage RetroArch, this app will quickly become indispensable. Enable the web server in RetroArch, install the app on your phone, and enjoy a wireless, streamlined emulation experience. Last updated: 2025 – Compatible with RetroArch 1.9.0 and newer. RA Companion reads the same folder structure