Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
B
the default emulator is not a libretro core so doesn't have the retroarch gui. You can try "lr-glupen64" from optional packages though if you require a libretro emulator.