Games aren't exactly playable, but it's mostly a step in the right direction.
In response to the rollout of the paid X1 Box app, the Xemu team announced it will release a free Android app of its emulator.
Original Xbox emulator X1 BOX arrives on Android through an unofficial xemu port, but performance issues and setup requirements remain for now.
A paid, unofficial port of the xemu original Xbox emulator is on Android, sparking controversy and a promise from the real developers for a free release.
TL;DR: Rumors of Microsoft partnering with the open-source Xenia emulator to bring original Xbox and Xbox 360 games to PC and handheld devices have been denied. Xenia confirmed no collaboration exists ...