What are Google Services :-

1. Google Play store .
2. Gmail.
3. Google Plus .
4. Photos.
5. Play music ..

and lots more ...

How to Install it on Nokia X , X+ , XL ?

Ans :-

Note :- Your phone must be rooted .. if not then go HERE  .

1. Download and install latest version of   " X-plore v3.52 "  app . from Here
2. Install it on your phone .
3. Open the app > go to menu > click configurations > and check the following :-

a) Show hidden files .
b) Root access as Superuser + Mount writable .
c) open Apk as Zip .

Note :- If promp comes then simply click on  " Grand " .

4. Download Gapps package by XDA senior member KashaMalaga from  Here 
5. locate the file on your sd card on one panel of X-plore and on another panel open locate System/app  folder.
6. Copy all .apk files from package to System/app.

Note :- If you only want play store on your Nokia X ,X+ , XL .. then only copy Phonesky.apk  and continue.

7. Long press the copied apps and select permissions .
8. Set permissions for every copied apk file as follows :-


















9. Reboot your Nokia X , X+ , XL ... and Enjoy :) ..