Eroica is an Android app developed by FourThirtyThree Inc. (서울시 강남구 삼성로104길 22(삼성동)). Others apps created by FourThirtyThree Inc. are: World BaseBall Stars, Battle Boom, Boxing Star, Battle of Arrow.

Eroica first became available on 22 Feb 2021. It is estimated that Eroica has been downloaded between 100000 and 500000 times from the Play Store.