The phrase "descargar 64 bits" (Spanish for "download 64-bit") combined with a Japanese-sounding title suggests this might be an unofficial, fan-made, or pirated release. Legitimate software usually doesn't need to specify "64 bits" in the title – it's just a system requirement.
Locate the v1.2.7 APK from community-shared links or mobile app repositories. risou no otousan tomodachi descargar 64 bits
Here’s an honest review based on what this likely refers to: The phrase "descargar 64 bits" (Spanish for "download