Samsung, one of the first to debut a 7-inch Android tablet in 2010, announced a refresh of its Galaxy Tab on Thursday. The second-generation slate, dubbed the Galaxy Tab 2, is a Wi-Fi tablet running the latest version of Google Android(s goog) and has a few hardware improvements. With its $249.99 price tag, this is Samsung's first real attempt at taking on Amazon's successful Kindle Fire(s amzn).
