Legacy enthusiasts maintain projects to keep old devices functional:
Note: Some devices with ARMv6 processors (common in very low-end Gingerbread phones) may need version 4.5.17. If 5.0.21 fails to parse or install, try 4.5.17. youtube for android 2.3.6
I notice you're asking about — that’s a very old version of Android (Gingerbread, from around 2010–2011). Legacy enthusiasts maintain projects to keep old devices
Eventually, Google stopped supporting the older API levels required for Gingerbread. The app received a final update that served as the "sunset" version for Android 2.3.6. This version lacked the modern design language and advanced features (like background playback or offline downloads) that were rolling out to newer Android versions. Eventually, Google stopped supporting the older API levels
: A community-suggested alternative designed for older Android versions, though functionality can be limited. 3. Third-Party "Legacy" Clients Most modern alternatives like now require at least Android 4.x or 5.0+. SkyTube Legacy