Sonic the Hedgehog 2 has been updated and re-released for mobile devices. If you’re yearning to back in gaming history you are in luck, Sonic the Hedgehog 2 is available to download via your Android or iOS device. The update allows for gamers to play at 60 frames per second and enjoy the rare Palace Zone level. Be sure to check it out if you’re just itching to beat a game you probably never beat as a kid.