Here are the common features of samsung galaxy s4:
camera: 13 MP, f/2.2, 31mm, autofocus, LED flash, check quality
special Features: 1/3" sensor size, 1.14 µm pixel size, geo-tagging, touch focus, face/smile detection, HDR
Video: 1080p@30fps, dual-video rec., check quality
Secondary features: 2 MP, f/2.4, 31mm, 1080p@30fps, dual video call