Micromax Android One is an product of google. its allow you to upgrade the next version of android, its came with Kitkat and up-gradable to Lollipop.
its 5 mp camera with flash is great to take pictures and shoot videos and also its very handy . 4.5" screen allows me to watch videos reading . its came with 4gb, 8gb internal memory and expandable upto 32 gb, 1 gb RAM. Dual sim(Micro-SIM, dual stand-by) CPU Quad-core 1.3 GHz Cortex-A7
GPU Mali-400MP2
also its its battery is good. I brought it in 2014 and still its running without any problem.