Download the RetroBoot 1.2.1 package and extract the folders directly to the root of the USB drive.
If you want RetroBoot 121 to launch different games from your home screen, you can use a tool like or simply duplicate the RetroBoot app folder (advanced users only). retroboot 121
If you own an Android device running version 9 or 10 with less than 2GB of RAM, Retroboot 121 will outperform every other emulation frontend on the market. It is lightweight, stable, and surprisingly feature-rich. You can play thousands of titles from the NES, SNES, Sega Genesis, Game Boy Advance, and PlayStation 1 libraries without a single stutter. Download the RetroBoot 1
is the last great build that works flawlessly on: It is lightweight, stable, and surprisingly feature-rich
Plug the USB drive into your device. Launch Retroboot 121. The app will run a one-time script that checks for the retroboot folder on external storage. If found, it loads the configuration. You should see the green "RetroArch" splash screen followed by the XMB menu (XrossMediaBar).