Get a costly app free for gt-s6802

(note:you must have your phone rooted ,i've given the procedure in another post please read it before installing this app.)
            Most of you maybe don't know that all the use full apps on the google play store are costly and all the half and below half use full apps are free.So I want to say that is there any way to get the useful apps for free.I wan't to say yes there is a very use full app named "black mart" which you can install through these steps
1)install the given file from the given link http://www.4shared.com/android/LC4sCeRo/Black_mart_alpha_v048.html

 2)Now enable the option "unknown resources by"menu>settings>applications" and tick on "unknown resources" by tapping on it.

3)Now select the file  and install it.

How to use

1)Now after installing you will get a search icon as shown and select it

                                                                                                                                                                      2)now tap on it and type the name of app you want and then choose it on the app list which ever you want and select it and then by clicking install you will get the app you want. and after downloading it show you       "Blackmart has been given super user permission" and your app will install in a few seconds depending upon the size of it.

3)Now enjoy this app and don't forget to leave a comment and please follow me on google+.