only DRM licences (lock for certain regions), US account gain excess to us news/promotions. but using the service is IP locked, console region lock (have not encountered)

so far there are dlcs which are region locked. u have to use VPN to gain download them and thats it.

How to change my XBL account to Singapore (Asian Region)?
look up in xbox.com

Why XBOX community here is slow compare to PS?
less legit ppl own it?