Xbox One Turns One Year Old In Japan; it Sold 54,813 Units in 12 Months

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bananaking21 said:

so you can take your PS4 with you and play on the train? 

You mean, you don't do that already?!

 

And since you mention portability, then there's the handhelds, which are superior to mobile games when it comes to gaming and are not the choice no.1 :P