Game engines have a lot of nice tech and maybe one will get popular for apps one day. The major issue I see is that they're simply tuned for a different UX. T

Game engines have a lot of nice tech and maybe one will get popular for apps one day. The major issue I see is that they're simply tuned for a different UX. They're usually very power hungry (both amps and CPU cycles) and designed to push as many pixels as possible. It's the exact opposite of the modern view layouts that try to cache view images to reduce the draw work.