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Your cards as a table. Tap a heading to sort (hold Shift to stack sorts); Columns shows, hides and reorders; Filter narrows — turn on Edition and sort it to find your lowest numbers. Choices are remembered in this browser and survive a reload; saving them to your account is its own row. Choose more columns than a phone can fit and the table becomes one card per row rather than a sideways scroll. Tap a row for the card’s details and its lock.
Your first pack is where a collection starts. Open a pack.