Xiaomi will be going after Samsung’s lunch. The rumor is MIUI 6 — to be released August 16th — will offer split-screening [Google Translate]:
Meanwhile MIUI 6 also for large-screen mobile phone optimized version allegedly split screen function will use two-finger mode, the user opens a program window to push two fingers on the screen will shrink, while the bottom of the pop-up window which will Some common applications are pre-defined user, click to open it, it will in the next half-screen display.
Boldfaced emphasis added by me.
No doubt that will also come to the Xiaomi MiPad, further upsetting the entire tablet balance of power.
Teclast previously announced it will add split-screening to Android.