Go Team GO GO !! 
Apparently no, you can’t.
http://www.pcmag.com/news/352911/
Microsoft Bans Game Emulators From Windows Store
It’s now a bit harder to install game emulator apps from the Windows Store, following an update to the store’s developer > terms and conditions that prohibits apps that “emulate a game system.”
It is still possible, just use dev mode to sideload
Just sharing the good word 
https://www.retrix.me/ Based off of Libretro and currently supports GB/C, GBA, NES, SNES, Game Gear, Master System, MegaDrive, NEO-GEO Pocket, Wonderswan, DS, PS1.
and works on Windows 10, Windows Mobile and Xbox One 
For Xbox One DEV Mode needs to be enabled…
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Retrix sounds amazing!
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It’s only been in development for a couple months and he plans on adding more Cores. I will say though PS1 and DS run slow on Xbox atm. 
But apart from that the others work fine.
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Any update to this? anyone considering doing an official Xbox One port?
I opened a bounty for this -