Impressive, some folks managed it.
Does not use the GPU, the graphics are software rendered.
Interesting, thanks. Do you expect running Android on iPhone may be of help for us sufferers?
AGI I have absolutely no idea. But I know some people here have iPhone 7 in drawers or in use, so if they felt like it they could give it a try and see what Android software rendering looks like on hardware that was never designed for it.