Sonic GT Mobile by Vasia_Dvo - Game Jolt

Sonic Blast on Game Jolt: Download Sonic Superstars on Android

Sonic Astro Android Port by Jaxter - Game Jolt

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

Sonic.Exe: Another Hell by Garnam - Game Jolt

Sonic After The Sequel Android Port by Jaxter - Game Jolt

Simple sonic worlds mobile project by Maxim Android Games - Game Jolt

Sonic 3 Android (Mega Drive Ver.) by TailsSonicTheHedgehog - Game Jolt

Sonic world Android (Bumper Engine) by VasiaDvo_Piwik - Game Jolt

HakimiGamer on Game Jolt: Games, Sonic CD™

Some leaks for you guys (read article) - Sonic.Exe: The Spirits Of Hell Android Port by ZaP-65 Studios