the ender dragon resides in the End. its kinda like the nether, but no lava. be careful before you go in! you cant come back until you have defeated the ender dragon! the scaryest thing about the nether fortresses is that you get terribly lost, and if you dont get back to your portal, you're a...
on google play it costs $7.99 for the phone app, for an x-box, i think its $15. but the computer version is the best, and it is $26.54 with automatic updating. the newest version is 1.6.4, but if you have the option, DONT USE IT! the hotbar disapeares randomly!!!