Well thebizz I can tell you I have disabled every app I can on my phone and it's not my apps. I don't use smart stay or any of those features that watch me or hover over the phone (air my rear end everything), lol. Palm motion, what?! Sound bad... It's easier and faster to touch my phone, lol. In my opinion though of course! I do keep WiFi on all the time and (but scanning while off is turned off so when I turn off WiFi, its off. This was the dumbest thing Google has ever done, EVER!). NFC, S Beam, nearby and screen mirroring should only be turned on when used. I leave Bluetooth on unless I am using a headset or transferring files. Voice control is all off, I have the Google Now launcher which has the always listening Google Now search which is amazing to start calls, messages, reminders, appointments, alarms! Google Now launcher is also less bloat than Samsung's and much faster! Plus I love having Google now directly on my left home-screen. This will matter more in the future as Samsung has now put it's magazine where Google Now is on my device (on first left screen) with no way to turn it off! What a joke! I'm hating Samsung more by the day! Oh and I disabled pages of Samsung bloatware apps! And with all my savings I still only get 5 hours barely of screen on time and if I make it through a day I'm lucky. Before I got two days plus of standby on time and over 10 hours of screen on time! That's a 50% loss for no reason! And KitKat is supposed to be a better battery saver, WTH?! My top batterydrainer used to be my screen and Cell standby but now it's always "Android System" and "Android OS". I don't have a single app in my list but my Chrome browser and I use it a ton to surf the web and it should be there (but checking it there are no wakelock issues) plus it's way down on the list. So I know for a fact it's KitKat, on my phone at least.
5th