Updated link to download if you cannot find this anymore in the App Store (sept18) https://all-in-one-gestures.en.uptodown.com/android/download This video will show you how to disable the multitask and back button on any Samsung Galaxy device. These buttons can easily be pressed or hit accidentally when watching a video or playing a game horizontally and is very annoying. Other videos will just show you how to turn the lights off but this shows you how to disable them with no rooting needed. Hope you enjoy please like and subscribe