J7 is good only the problem they are not improving the quality of the sound plus the we they put on the market new cp the headset there is no improvement.
You are big company and I love ur brand but try something good design of your headset because now the people they love to listen to music w the cp
Advantages :
Removable battery with good battery life.
Good graphics and chipset ( enough for most high end
games)
Front flash light
External memory card slot
Apps can be move to external memory
16 gb internal storage
First sim is 4g supportive
Power saving mode & ultra power saving mode
Disadvantages:
Lack of 2 gb ram ( not a big problem)
Lack of some basic sensors like compass
No led back light ( it is the problem at night )
Output volume is low ( can be increased by rooting)
J7 is the best mid range phone from a brand like
Samsung.
Yes. I played gta vice city & gta sa on j7. Both of them
worked well