Can't it be both? Coming soon to iOS and Android, Blitz Brigade is a team-based online multiplayer shooter. It's set during World War II (can't you tell?) and features vehicular combat, five character classes, single-player challenges and trailer music that sounds like it's being performed by a Team Fortress 2 cover band.
It's Team Fortress 2! It's Battlefield Heroes! Since this trailer was released last Friday (it was late Friday, past caring time) the YouTube comments have been dominated by discussion of which game Blitz Brigade is trying to be. Why not give Gameloft the benefit of the doubt? Perhaps this is a completely original creation that just bears a striking resemblance to...*falls over laughing*