Sonic Fan Game Simulator by G_Production - Game Jolt

Sonic Mania Android Port by ArtemFedotov - Game Jolt

Sonic Open SMS Android by Shay64 (#stayhome) - Game Jolt

Sonic After The Sequel Android Port by Jaxter - Game Jolt

Sonic After The Sequel Android Port by Jaxter - Game Jolt

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

Sonic Unleashed On Android by Lowfriend - Game Jolt

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

Sonic Advance (Android) - Anniversary Mods Pack by Furrican - Game Jolt

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

Gamejolt Android - Colaboratory