: Includes two brand-new bosses and specific updates to the Bridge and Jungle Zone encounters.

The is the single best way to play the original Sonic the Hedgehog on a mobile device. It respects the original’s speed and physics while fixing nearly every legitimate complaint from 1991.

The is the complete, pre-patched version that bundles all major fan-made improvements, widescreen support, quality-of-life features, and extra content.

: You must place a Data.rsdk file (sourced from the official Sonic 1 Classic mobile app) into that s1f folder for the game to function .

The expansion pack is well worth the investment, especially considering it's available at a very reasonable price. If you're a fan of Sonic or just looking for a fun and challenging platformer, do yourself a favor and grab the "Sonic 1 Forever Expansion Pack" for Android.