The Shiken library is where all of your learning products live. You can quickly see some basic completion stats, quick play a product and view your results for that product on the leaderboard for that product.
The library is accessed from the main navigation area on mobile and web. From within the library you can quickly see your product cards for the products you have added or purchased from the Shiken Store.
You can quickly see from the progress bars on each card how many questions you have completed from each product.
After clicking on a product card you can see a breakdown of your statistics for that product together with the subscription end time for premium (paid) products.
When clicking on the leaderboard for that product you can see how you scored against everyone else who has used that product.