Amazon on Thursday announced expanded availability of its Kindle Fire HD tablet lineup. Both the 7-inch and 8.9-inch models are now available for preorder in more than 170 countries worldwide. The Kindle Fire HD is equipped with 1280 x 800 pixel resolution display and a 1.2GHz dual-core OMAP4460 processor, while the 8.9-inch model features a 1920 x 1200 pixel resolution display and a 1.5GHz dual-core OMAP4470 processor. The Kindle Fire HD and Kindle Fire HD 8.9 are available for $199 and $269, respectively, and will ship to new countries beginning June 13th. Amazon also announced that it has expanded access to its Android Appstore, which can now be used by customers in nearly 200 countries worldwide.