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.
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.