No. The Android port only includes English and Japanese text, but the monster cries are authentic. The 1.0.4 APK modding community has restored JP voices via patch.
Monster Hunter Stories v1.0.4 is a significant update for the mobile port of Capcom's acclaimed RPG, which originally debuted on the Nintendo 3DS. Unlike the main series, this title focuses on becoming a "Rider" who bonds with monsters (Monsties) rather than just hunting them. Google Play Game Overview Download Monster Hunter Stories 1.0.4 Apk - Google
In the vast ocean of mobile RPGs, few titles manage to successfully pivot from a hardcore action franchise to a charming, turn-based adventure. Monster Hunter Stories did exactly that. Originally released for the Nintendo 3DS, this spin-off replaced the series’ trademark giant weapons and frantic dodging with a rock-paper-scissors battle system, monster rearing, and an emotional story about kinship. Monster Hunter Stories v1