If I do it that way...it won't be 100% I don't think. We won't gain back the long press back to open favorites in the browser.Love the idea of a long-press toggle for multi-window. I do agree that it would make slightly more sense to leave the back button to kill apps (another feature I love!), and use the menu for the multi window toggle, but doing it the other way around would also work well.
I'll have to test it.
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