Originally Posted by hwong96
Don't know what apps are in the cat6 dual window, but the D850 at&t has these in the attached screen print. I imagine the cat6 will be similar except for the at&t locker app.
There's a build.prop mod that will enable all apps, and a Playstore app that let's you add or remove specific apps. Why the Korean version, though? The US versions support multi-window, too.