The Razer Kishi is the best Xbox peripheral you can buy right now
You should do yourself a favor and check out Razer’s Kishi smartphone controller. Right now it’s down to just $70. It typically sells for $100.
An article for Xbox gamers that includes some of the ways to enjoy Xbox gaming on the go and highlights the ways in which you can still enjoy various forms of playing your library of games.
I bought a clip for a controller for Android phone and really did not like it. Switched to Razr Kishi for android phone and love it.
Lulz. Depending how much you want on the go gaming, it's possible it's better to set aside fanboyism and invest in a product by one of Xbox's competitors. Sadly, Nintendo no longer has direct competition in the dedicated handheld space, but the Switch is a solid product. Of course, it depends what you're looking for, but I'd definitely recommend it over some PoS mobile device.
The Razer Kishi is a solid peripheral that can effectively turn your iPhone into a handheld to rival the Switch or Vita — if your favourite games support controllers.