It's been less than two weeks since the phone launched, but the Continuum's source code has already been thrown up on Samsung's Open Source Release Center. Regular users won't get much use out of it, but developers may be able to, and it should certainly help out with the development of custom ROMs for the device. Perhaps the awesome folks over at XDA could even find some interesting uses for the second "ticker" display? If you want to check it out, search for "SCH-I400" in the source link.
[Update: Intel x86 processors too] Pokémon GO goes to Germany officially and now works with Android Nougat [APK Download]
[Update: US too] Pokémon GO is now live in several countries including Australia, New Zealand, and possibly more [APK download]
[Update: Now available] ZeroLemon's 8500mAh battery case for the Nexus 6P will be available later this month for $60