The Xbox version of Minecraft is different from the one on the PC. The PC version gets updates first, and eventually these get added to the Xbox version as well.
It is impossible to evolve Cubone into a Kanto one in Sun and Moon, but if you evolve Cubone into Marowak from another game like X and Y and transfer...
Making your Xbox a "home Xbox" allows you to share games, downloadable content, and even your Xbox Live Gold subscription with anyone else who signs in on your console.