This is a gray area. While Fujiko F. Fujio Productions holds the copyright to Doraemon, many "X" APKs are fan-made tributes or region-locked versions of official games (like Doraemon: Story of Seasons ). If the APK includes cracked payment methods for premium currency, it falls into piracy.
Purists might hate it, but casual fans love it. The 09c version includes a mod menu accessible via a floating icon. You can toggle: doraemon x apk 09c download latest version for exclusive
: Deny access to sensitive data like your microphone or location. This is a gray area