Taskbar App brings perfect Freeform Multi-window feature to Android 7.0 Nougat.

With multi-window feature now built into stock Android Nougat, Taskbar App is taking advantage of that to bring even more and better implemented freeform multi-windows capability to Android.  It comes in handy especially if you have a tablet running Android Nougat. You could also use it it on phone.
In this case, Android gets more productive with Android 7.0 Nougat.
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