AddTo Rome is available. You can find it here.

AddTo Rome shows you favorite Rome locations like the Coliseum, Roman Forum, St. Peter’s Basilica, the Pantheon, Trajan Column and more.  See the Eternal City in all its glory!  AddTo Rome lets you create your own map, photo album and travel diary.

So prepare to fight it out in the Colliseum, not with a gladiator, but with tourists!