If you are ineligible for a visa based on one or more of the laws listed in Section 212(a) of the Immigration and Nationality Act, you may be able to apply for a waiver. The visa category that you are applying for will determine whether a waiver of ineligibility is available.
Also, games must be purchased digitally. Xbox Play Anywhere does not work with disc based games. Also, you can only be signed into either the Xbox One or PC at one time. Microsoft announced a number of Xbox Play Anywhere tiles, including Dead Rising 4, Gears of War 2, and Halo Wars 2.
Will controllers and other other accessories still work on Xbox One X? According to the official website, all accessories previously made for Xbox One (along with all future accessories to be made for Xbox One) will work. Xbox One controllers, headsets, even the Elite controller, will all work as if they can run on an Xbox One.