Re: Remove EMUI
Although not exactly the answer you want, have you considered using an alternative launcher? I use Nova and am very satisfied with it. It does a pretty good job of helping me forget EMUI.
Here's a solution I found on the web. This enables you to use Chromecast through a tethered hotspot. A second mobile will be needed to set it up the first time but after that you only need your own phone. This second mobile does not need a sim card - it can be any old smartphone you have laying...