Here's a demo of the Galaxy S4 dual-camera mode in 1080P HD, uploaded straight from Galaxy S4. Also see: Galaxy S4 Unboxing & Initial Review: http://www.yout...
Galaxy S4 Dual-Camera 1080P HD Test!
Samsung Galaxy S4 Camera Modes [FEATURES]
Dual Camera Mode on Samsung® GALAXY S4
Galaxy S4 Dual Camera - Hidden Features