Good news. I discovered that Nox Player already disabled apk verification which allows you to install unsigned APK without root, without xposed and without Lucky Patcher
And it allows you to install APK with added/removed files without installation error.
Video proof: bandicam 2018-02-09 21-46-40-457 - Streamable
And it allows you to install APK with added/removed files without installation error.
Video proof: bandicam 2018-02-09 21-46-40-457 - Streamable