OpenGL rendering conflict. Fix (2021 workaround): Go to Android Developer Options > Disable "HW Overlays." This forced the game to use software rendering, fixing the black screen.
Most third-party sites hosting "Yandroid Simulator APK" use deceptive download buttons. You might click "Download Now" only to install a browser hijacker that changes your homepage to a fake search engine. The actual emulator, if it runs, is often plastered with unremovable ads. yandroid simulator apk 2021
Note: Always ensure you are downloading software from a reputable source to avoid malware. OpenGL rendering conflict