Popcorn Buzz

nc_content; Popcorn Buzz is an app developed by LINE Corporation (Line, B612) that lets you call your friends for free and even talk in a group. You can add up to 200 people to any call. The only thing that is required for using Popcorn Buzz is that all the other users also have the program installed on their devices. But, of course, it's not necessary to have Line installed on the same device ...