You can’t just install an APK and start playing. To make the "Ebox" engine run, you need three specific system files:
A BIOS (Basic Input/Output System) is the low-level firmware required to initialize hardware. For Xbox emulators on Android to function, they typically require specific system files that are copyrighted by Microsoft and cannot be legally bundled with the emulator. Required Files for Emulation Ebox Bios Android Download
This process typically voids your warranty. If your device is new, consider other options first. You can’t just install an APK and start playing