I've read that it's only good for 1.6 and above but I found it on the web and downloaded it on my Hero. Well guess what it worked and worked great across to iphones. I found the download on download.cnet and the only issues I had was that it wouldn't let me set up a new account from the app. So I went on line and set up my account and just logged in from the app. So yes it will work on ours even though it says for 1.6 and above.