call the country only on data coast with "libon"

Libon is a mobile apps for calling inside the country or out side of country. first of all its gives you 60 minutes for testing talk. its just like "what apps". may be you know this system before-but this post only for the ignore people who does not know about this apps. the user interface of this apps is really simple. anybody can use it without any problem. after registration libon will gives you 60 minutes-that means one hour. you can talk 60 minutes totally free to any mobile phone. your targeted mobile does not need any internet or libon settings. it just like mobile call. on the libon apps you need to search contacts option. then they will give you two option
one is: libon call/regular call
other is: libon out
you should select option number 2.  in the option of libon out they will show your free minutes on right. lets start calling to your friend or family. when you call other mobile phone the will not seen your number. they will seen+111111111 just like. you might be happy to see this kind of system. please do not use it roughly. you could use this apps just like chat,voice message etc.
now the very important talks.
when you talked 60 minutes then what will you do!
you could follow three options
1. go to setting option and buy minutes
2.you could send a refferal link to your friend. and every reffer you will got 30 minutes free if your friend click on your link and registered.
3. this is the simple way. its might choose it.
go to setting>apps>all apps>libon
click on Libon.
you will see some text now. example "Forse stop" and "uninstall"
look at down and search the text "care memory" .
click on the "care memory" option. then again look down and search the text "care catch" click on the care catch. care catch it. now open Libon and see it is log out. now log in again and see your 60 minutes is return back.
so search Libon on play store download it. thanks.