Mobile Game
Sonic the Hedgehog is a re-release of the 16-bit version of Sonic the Hedgehog (1991), released as part of the Sonic Cafe service offered by Sega. The game was created as part of the Sonic the Hedgehog series' 10th anniversary celebration, and was downloadable for free between 18 June and 31 July 2001.
Android: June 18, 2001
iOS: June 18, 2001