D you have a smartphone? and using it for cool purposes like using internet and calling your friends? Did you every think that if you could make Free Local and International calls you could not only save your money (Balance) but can also use that saved money for other purposes.You can make free unlimited calls to anywhere from anywhere with an superb app called Bigo .If you don't have main balance in your sim and you want to call your friend and you couldn't then this app would be worth using it.By using this app ( Bigo ) you can make free calls without any charges. Make Free Calls With Bigo App You can use this app to call anywhere in the world for free of charge .The best thing of this app is the called person isn't required to have Bigo App Installed or Internet Connection .Means if you can calling your friend he doesn't required to have internet connection or Bigo App , you can talk with him without any problem.So, you don't need main balance and the