QuickBMS

QuickBMS is a program that can extract, import, or convert files using scripts.

QuickBMS can be downloaded on GitHub or the official website.

Scripts

A list of QuickBMS scripts for Sonic the Hedgehog 4: Episodes I and II's formats.

vector.bms (Backup link) - This QuickBMS script can extract the OBB and DZ files from the mobile ports of Sonic the Hedgehog 4: Episode I. This script doesn't work with the second episode's OBB file as it's in a different format than the first episode's aformentioned archives.