Battle.net is the first internet based gaming service incorporated directly for games that make use of it, in contrast to the external interfaces used by the other online services at the time. Battle.net gave the facility to create accounts without any paying anything, caused Battle.net to become popular among gamers and became a biggest selling point for Diablo and subsequent Blizzard games. Since the successful launch of Battle.net, many companies have created online game services mimicking Blizzard's service package and the user interface.Blizzard officially unveiled the revamped Battle.net 2.0 on March 20, 2009. It later revealed further details of the Battle.net revamped features at BlizzCon 2009 which supported StarCraft II, Diablo III and World of Warcraft. The original Battle.net was then renamed to Battle.net Classic. The Battle.net Launcher was officially renamed to Blizzard App in March 2017, as part of a rebranding effort to retire the Battle.net name; however, Blizzard later reversed this in August 2017, and opted to use the merged name Blizzard Battle.net. The app currently supports storefront actions, social interactions, and matchmaking for all of Blizzard's current games including Heroes of the Storm, Hearthstone, Overwatch, StarCraft II and StarCraft: Remastered, as well as Call of Duty: Black Ops 4 and Call of Duty: Modern Warfare from corporate sibling of Blizzard, Activision.On September 2017, blizzard released the battle.net mobile apps on Android and iOS. From the app, players can chat with other players, can add friends and can view other add players are online/ playing..