Oh yes - Sonic 4: The Genesis Android Port by Jaxter

Sonic 4: The Genesis Android Port Update Release Trailer

Sonic Adventure 2 (XBLA/PSN): The Retro Review - Sonic Retro

Is it possible to port the Sega Genesis Sonic titles to the SNES in cartridges with additional hardware chips to help with the speedy nature of those games? - Quora

sonic 4 the genesis/fan game android

Is it possible to port the Sega Genesis Sonic titles to the SNES in cartridges with additional hardware chips to help with the speedy nature of those games? - Quora

AUU Races, SpongeBob & Friends Adventures Wiki

Sonic 4: The Genesis Android Port by Jaxter - Game Jolt

Retro issue 4 digital onlineversion by Marketing - Issuu

Downloading Sonic 4: The Genesis Android Port - Game Jolt

Oh yes - Sonic 4: The Genesis Android Port by Jaxter

AUU Races, SpongeBob & Friends Adventures Wiki

Oh yes - Sonic 4: The Genesis Android Port by Jaxter