This application will allow you to interact with you Last.fm account. You will only have to search for the music that you want to listen to, and Amua will automatically connect to the chosen Last.fm broadcast. Even though the songs will be played by means of iTunes, from Amua you will be able to pass the songs that you don't like, tag those that you have like most and indicate those you don't want to be played again.
Amua also allows to access the information of the album that you are listening to and to the full details of the song. You will be able to simply manage your Last.fm account, and customize your profile with the songs that you like most.
Try Amua and you will see how your Last.fm experience improves.