The Jelly Bean update will have a few enchantments like: — Better performance, thanks to Project Butter it's even smoother and faster — Reorganized settings menu — 2 Home screen modes — New Notifications bar — Google Now — Sizable Pop - up play screen (sammobile.com)
An overhauled user interface that provides a more integrated mobile Facebook experience, «Always On» Facebook Chat notifications, a redesigned navigation grid, new notifications bar, improved news feed scrolling, enhanced profiles, and an added publisher functionality. (ubergizmo.com)
Other changes include: # Reorganized settings menu # 2 Homescreen modes # New Notifications bar # Google Now # Resizable Pop - up play screen (gadgetian.com)