: The specific set of features (like ad-blocking) applied to the base.

: The original Google-signed YouTube base version.

: Indicates the APK has been signed with a custom key so it can be installed on Android. Key Features & Benefits

While this specific build was popular, it is now considered . Using pre-compiled "signed.apk" files from the web carries significant risks:

: Automatically skips non-music sections, intros, and sponsor segments within videos.

: Older versions like v17.36.37 often suffer from "playback buffering" or "app update" prompts as Google changes its server-side protocols.