Use any app like contacts in Split Screen. Hey guys i know you want do any app in split screen . I know you say i can do any app in split screen but try with contacts or any inbuild app also than you came to know that so many apps you can not use in split screen .To do it Just follow these steps: 1. Go to the settings of your phone . 2. Then go to the developer options.[In some cases you need to start developer options, just tap 7 times in version or model of your phone] 3.Then on developer options from top . 4. then activate force allow settings to be resizable . 5.Just reboot your device then you see magic. You can comment me for more details. Thanking you Kamal Singh