I installed it yesterday, but I am not sure why it is not working (it doesn't allow me to pick the emulator directly from usb). it might be that it needs kodi to be updated further on xbox one, unless anyone here got it to work. As far as movies go, I heard that as well. In the U.S as long as you do not download them, FBI will not do anything about it. But ISPs can penalize you though from what I have heard (do not know if that has happened here). I guess I will post a question about it here. For the emulation part I mean
From what I understand most retroarch cores have been ported as addons to kodi, and are native to kodi 18, however this functionality was left out of the current xbox build (maybe by coincidence, but likely on purpose) and only time will tell if they will be included in the final xbox version. Regardless of this unless Kodi really decides to strip the code of a final release (which i find unlikely), the cores should be install-able in some form of the final release, as it stand I have not been able to get anything on the emulation front working, or found any solid evidence that anyone else has.