Foldable phones are getting better with every generation. The OPPO Find N3 is a slim foldable phone with a 7.8-inch screen. It is only 5.8mm thick, so you can easily fit it in your pocket. It has 3 professional grade cameras, including a 48MP ultra-wide and periscope telephoto lens.
Find N3 also has a 64MP telephoto cameras with 3x optical zoom with f/2.6 large aperture. Its display has 120Hz dynamic refresh rate. With its smart split screen mode, you can see two or 3 apps at once. You can adjust the size of each app in the split screen easily.