If you think buying a phone that can full fill your basic as well as gaming needs than I will hou recommend this samsung galaxy j7 smart phone.
It is greatly benefited with octa core processor and 1.5 ghz processor.This is a Great phone for playing games like Dead trigger 2, Need for speed etc.It has 5.5 inch screen with hd resolution with lollipop 5.1.1.So, I am strongly recommended this for under 15000 branded phone.so buy it.