Because nullDC is no longer officially maintained as a standalone Android app, many websites offering a direct "nullDC APK" are hosting outdated, unstable builds, or worse, disguised malware and adware.
: It is available as a free download with an optional in-app upgrade for high-definition rendering on the Google Play Store. 3. RetroArch (Flycast Core)
Before downloading any APK outside the Google Play Store, consider the following: