Originally Posted by nickdalzell
since the same features (smart stay, etc) work even when using a custom launcher i am assuming it's NOT part of TouchWiz since you wouldn't even be using it. i am just suggesting the features, like SVoice and S-Notes, might be separate APKs. i never used them so i never cared to back them up.
TW is not just a launcher, it the Samsung skin throught the OS.
That's why those features aren't in AOSP ROMs. Multi-view, air, s-pen (Note series), etc are not just apk files that you can install and have it work.