Android !!hot!!: Sonic 2 Rsdk

Tools like or RetroED can extract the RSDK. On Android:

The mobile remaster (2013) stands as a landmark in retro gaming preservation, primarily due to its foundation on the Retro Engine (RSDK) . Originally developed by Christian Whitehead and Headcannon, this version replaced the flawed emulated ports of the past with a native reconstruction that transformed how the game is experienced on Android devices. The Power of the Retro Engine (RSDK) sonic 2 rsdk android

Sega took notice. Officially, the "Taxman" ports of Sonic 1, 2, and CD used and RSDKv4 . These were released on iOS and Android around 2013-2014. They were perfect. Tools like or RetroED can extract the RSDK