The term "fixed" usually implies that the original software had bugs or compatibility issues when moved to a new environment (like an emulator or a modified console). A "Fixed Donkey Kong Bananza" file likely refers to a version where: has been corrected. Sprite Flickering has been eliminated.
Even if you find a working "fixed donkey kong bananza nsp," you are risking a console ban. Nintendo’s telemetry is aggressive. If your Switch is connected to the internet and detects unsigned code, your console ID will be permanently blacklisted from online play, the eShop, and system updates. download fixed donkey kong bananza nsp