The film, a typical entry in the Doraemon franchise, does not feature any identifiable LGBTQ+ characters or themes. Its narrative centers on a child-friendly adventure and mystery, consistent with the series' established content and target audience, thus resulting in no depiction.

The film "Doraemon: Nobita's Secret Gadget Museum" does not feature any identifiable transsexual characters or themes. The narrative focuses on adventure, mystery, and the use of futuristic gadgets, without exploring gender identity or related social issues. Therefore, there is no portrayal to evaluate within the scope of the rubric.

The film does not depict any female characters engaging in or winning direct physical combat against male opponents through skill, strength, or martial arts. Combat scenarios, when present, typically involve gadgets or are resolved non-physically.

The film features the established Doraemon characters who retain their canonical genders. New characters introduced in the movie do not constitute gender swaps as they lack prior canonical gender.

This animated film features characters consistently depicted as Japanese, aligning with their established race in the original manga and prior adaptations. No established character's race was altered.