Amazon app for Windows Phone 7 lets you swipe through millions of products
Using the app, you can quickly find any one of the millions of products available in more than 40 product categories. When you're considering a certain product, you can swipe left or right to view its details, reviews, and related items. You can order stuff using 1-Click, and the app also has Prime member support. Naturally, all purchases are made via secure servers. The app also supports your wish lists, and lets you track packages once you've ordered something.
To get the app, search for it in the Windows Phone 7 Marketplace, use this link from WP7applist, or scan the Tag after the break with the Microsoft Tag app.