Microsoft accidently leaks Xbox UI mockup that includes PC games Steam(00)

Microsoft accidently leaks Xbox UI mockup that includes PC games Steam(00)

Video Screenshot Gallery: Xboxsteam Leak

Microsoft accidently leaks Xbox UI mockup that includes PC games Steam
Microsoft just "leaked" an Xbox interface mock up which has Steam game
Steam en Xbox: Microsoft filtra por accidente su visión… EarlyGame