How to Get Multi-Window Multitasking on Any Android Phone or Tablet
Android still doesn’t offer proper multi-window multitasking, but you can get it with a third-party tweak. All you need is root access — you don’t have to install a custom ROM.
Multi-window multitasking is found on some Samsung devices, where it only works with specific apps. You can also use special floating apps on any device. The solution here will let you multitask with any app.
