Click on the links to download apps
If you check the lists with your iPhone, you can just click on the link next to the app, to read about and maybe download. The link opens directly in App Store.
Install App Store on your Mac
App Store is autmatically on the latest software update for Mac, the Mac OS X 10.6.6. On your mac check for software updates. Do like this:
Share your own top-10 favorites apps for iPhone anybody else and see others favorites.