Pour utiliser les extensions Android, vous aurez besoin de Firefox pour Android. Pour découvrir les modules complémentaires pour Firefox, veuillez visiter cette page.
Is there a Firefox for Android version 61.0.1? I don't see one, the latest I'm seeing is 61.0. I'm also not seeing any obvious problem on the nightly or beta builds.
Is it possible that you were trying to install it on the desktop release of Firefox, where this addon should not be needed?
