For Yuzu on Android, the primary graphics API is Vulkan, as OpenGL is not natively supported for Switch emulation on the Android platform. To optimize performance and fix graphical bugs, users typically rely on custom GPU drivers (like Mesa Turnip drivers) rather than switching to an OpenGL backend. Graphics Driver Configuration
Conclusion
For months, Yuzu Android users were bound to the system drivers installed by their phone manufacturer. If Samsung or Xiaomi shipped a buggy OpenGL driver (which they often did), your games looked like broken stained glass.
Here’s a good, concise review focused on the Yuzu Android OpenGL driver exclusivity topic, written from a tester/enthusiast perspective.