Nokia Lumai 520 a best windows from Nokia with 4 inch touch screen. Enabled with windows 8 OS. Its touch pad is so smooth, & it is very handy phone, you can use with one hand comfortably.
It have 5 MP rear camera for click some awesome photos with 512 MB ram best for heavy application even if you play games, it not heated too much. Battery back up is also good with 1450 mAh, have internal memory of 8GB expandable up to 64 GB & enabled with wifi , GPS, bluetooth .
Available in 4 colours, very smooth in operate but lacking in flash light that is available in higher version of lumai but as per it’s cost a best smart phone you can use it.