In case with a smartphone, you will be able to install only white-listed apps from an app store on an unverified device, so you won't be able to install such browser. As for PCs, Windows might also prevent sideloading on unverified devices.
One more reason to not use windows i guess. Also, you're handing a lot of control to the smartphone vendors here (the two major ones have demonstrated that they don't have your best interests at heart...) https://news.ycombinator.com/item?id=44875961
In case with a smartphone, you will be able to install only white-listed apps from an app store on an unverified device, so you won't be able to install such browser. As for PCs, Windows might also prevent sideloading on unverified devices.
One more reason to not use windows i guess. Also, you're handing a lot of control to the smartphone vendors here (the two major ones have demonstrated that they don't have your best interests at heart...) https://news.ycombinator.com/item?id=44875961