Gionee s6s is a very easy device to use. It is handy, comfortable and easy to understand there are several new features introduced by gionee which were very useful.
From my personal experience the best feature is front flashlight as it helps you to take selfies in dark also.
Other features are also very good
1) display_ 5.5 inch which provides you a reasonable space for working and other things.
2) processor _ octa core enrich makes phone very fast.
3) camera _ 8 front mega pixel which is very clear, 13 rear camera with good resolution.
4) ram_ 3 GB which makes phone work fast and efficient.
5) storage _ 32 GB which is compatible space.