The Dreamcast ran games at 480p (standard definition). "Extra quality" means rendering the game at 720p, 1080p, or even 4K.
: Ensure your ROMs are unzipped. Most emulators prefer the raw .gdi or .chd files rather than .zip or .7z archives.
Dreamcast was 4:3. Modern phones are 20:9 or 19:9. An "extra quality" build includes cheat codes or render hacks to force games to render a wider field of view without stretching the image.
To achieve the best visual quality and performance, follow these setup guidelines after installing the APK:
