Adding slowmotion and timelaspe mode in next update will be one of the best thing that samsung can provide to its users.

Want inbuilt samsung app lock ..that includes gmail sync to know the persons who are trying to unlock it.It is very annoying to use a third party app like security master..and to see its adsConsider this post and also my previous post

Want Gesture feature to screen wake up...instead of using power button...Do consider about it...