Works fine; does exactly what it's supposed to. However, because I use gestural navigation on Android, it's obviously not ideal and takes a very precise swipe from not-quite-the-very-edge to avoid the Android system back gesture. I'm trying to avoid the skipping of history entries that happens sometimes with the system back intent and can't find an addon that would simply add the back and forward buttons to the address bar to save me opening the menu each time.