To browse your collection in the iOS app, tap the menu button located in the bottom left corner. This will bring up a menu of options, tapping the Collection option will open your collection

To browse your collection in the Android app, tap the menu button located in the bottom left corner. This will open your collection.

You can apply similar sorting, grouping and filtering options to what's available on the website. To apply them, tap the display options button in the top right corner of the screen when browsing your collection.

While browsing your collection, you can edit your cards information.