Some time ago leaks about new 2016 version of Samsung Galaxy J2 appeared and now we know that Smart Glow will be tested in it. So it’ll be first model with LED ring around the camera.
From official Samsung info we know that few of it’s functions will be: lighting up in different colors depending on the caller, the battery charge status, partially illuminated to help you fit your face completely in the frame when doing a selfie with the rear camera and in later terms weather alerts, and even health measurements like heart rate.
About phone itself we don’t have any sure informations but there were some leaks: processor is probably Spreadtrum SC8830 or SC9830 Quad-core 1.5 GHz Cortex-A7, 1.5 or 2GB RAMu, 16GB expandable internal storage, 5″ HD screen and Android 6.0.1.

Source: phonearena