8-Bit Mania. Sonic Mania Android Fan Game by SonicChannelYT - Game Jolt

Sonic Mania Android Port by ArtemFedotov - Game Jolt

Shadow in Sonic 2 on ANDROID by ZaP-65 Studios - Game Jolt

Sonic After Forces by MisukiKissume - Game Jolt

Sonic 30 by ZriseInAction - Game Jolt

Sonic Generations Android by Sonic Blast - Game Jolt

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

Sonic Eternal Android Port by Jaxter - Game Jolt

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

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

Sonic mania plus android port by Olgilvie Maurice Hedgehog