BlackBerry has confirmed that BlackBerry Messenger (BBM) will be released for Android and iPhone this weekend. The firm will also launch a new smartphone next week, the Z30.The smartphone maker said that its popular instant messaging service, BBM, would launch on Android and iOS this summer. Well it's finally got a release date - 21 September for Android users and 22 September for those with iPhones and iPads. See also: BBM to come pre-loaded on rival smartphones.Andrew Bocking, executive vice president for BBM at BlackBerry. "With more than a billion Android, iOS, and BlackBerry smartphones in the market, and no