Some of the main specs are mentioned below.
Dual Camera Mode: The mode enables you to have both rear and front camera in action at the same time. This makes it possible for you to record yourself in the picture when you are taking shots. No more being out of 'frame' when you are capturing photos.
Eraser Mode: Removes moving objects from the photos with a tap.
Cinema Photo Capture: The cinema photo capture will create a GIF from multiple shots taken, approx. 100 within 4 seconds.
Auto Story Album: The feature will create albums for you based on your location, picture taking conditions etc.
AirView without Stylus: The Stylus is missing from the S4 but that doesn't mean you can't use airview feature. It now works with your fingers and even with your hand-gloves on!
S Voice Translator: With text to speech and speech to text capabilities, the S Voice translator can translate to and from over 10 languages including English (British & American).
IR Blaster: IR Blaster mode can help you tune your TV, allowing you to use your Galaxy phone as TV remote.
S Voice Drive: S Voice drive now acts as your personal assistent doing most of the tasks while you are driving your car.
Smart Scroll & Pause: The phone senses when you are looking at the phone and are staring away and then controls video playback.
