It was powerful, lightweight, and free —donation-supported by the legendary developer, C3C076.
If you still wish to attempt using GravityBox or its modern equivalents on Android 13: using Magisk. Enable Zygisk in Magisk settings. Install the LSPosed module (Zygisk version) and reboot. gravitybox android 13 free
Skip tracks with volume rockers and control the expanded volume panel. Requirements for Installation Title: GravityBox for Android 13 is Finally Here: