They have an Android app (https://play.google.com/store/apps/details?id=com.dgmltn.radiomg.somafm https://play.google.com/store/apps/details?id=com.dgmltn.rad..

They have an Android app (https://play.google.com/store/apps/details?id=com.dgmltn.radiomg.somafm https://play.google.com/store/apps/details?id=com.dgmltn.rad..., https://radiomg.pw/ https://radiomg.pw/) but sadly it does not appear to be open-source.