Xiaomi rolled out the latest MIUI 8.2 update in February and is now busy polishing the next version of its in-house launcher - MIUI 9. The company accidentally sent out an email to app developers about bringing two new features - split screen and PIP (picture-in-picture). All Xiaomi phones with Android 7.0 Nougat will get the new functions along with the MIUI 9, including popular devices like the Mi 6, Mi 5c and Redmi Note 4. According to inside info, Xiaomi wants to implement the feature even in devices running Android 6.0 Marshmallow. Last month Xiaomi started a poll on MIUI...
Source: http://www.gsmarena.com/miui_9_might_come_with_splitscreen_function-news-24879.php