You may know that Android phones can open two apps at once in Split Screen view. This is one of many Android features that can help you stay productive.
Samsung's Multi Window feature lets you multitask using a split screen, open apps in floating windows, and save frequently used apps as pairs for quick access - eliminating the need to switch between apps frequently.
Split View allows users to place their contact list in a window, and each conversation will open in a separate window.
Multitasking on iPad includes split window feature - Split View. It helps users to run multiple applications at the same time. Unfortunately, Split View does not currently support viewing two different windows in the same application.