MTK SP Flash Tool alternative for flashing MT6582, MT6589, MT6592, MT6589T, MT6577

[aus9]

gtmob

it doesn't have google play store

Until you get a better reply I would suggest you root your device first

Since you have Mediatek try this first Framaroot
Secondly download gapps as per
[Only registered and activated users can see links Click here to register]
Thirdly, go into system settings -> security (under Device management) Tick the box for Unknown sources
----to allow installs of apks from the SD card
Then go into SD card and click on apk.

If I am too confusing for you, please start a new thread in the correct forum
which I hope is
[Only registered and activated users can see links Click here to register]

Sorry if I am rude, but your question does not appear to relate to OP

good luck

EDIT
I have changed my mind on recommending the CPA method of gapps
instead, use system settings to find out what version of Android you have
next, google terms= ultra slim gapps <version number> eg 4.2.2

good luck