A free program for Android, by SEGA.

Sonic The Hedgehog 2 is a sequel to of the most popular and best-selling SEGA arcade games of all time.

Rejoin Sonic the Hedgehog, Tails, and Knuckles in their adventures, quests, and thrilling missions to defeat Dr. Eggman.

Dr. Eggman is back to his old villainous habits – this time, he is determined to form the ultimate weapon of destruction – the Death Egg – by locating and gathering the seven Chaos Emeralds.

This game features a total of twelve Badnik-infested zones you have the opportunity to master, ranging from underwater caverns to neon-lit casinos, awesome courses that will allow you to run, jump, and spin, three play modes which include Online, Time Attack, and Boss Attack, and so much more.