If you want to read a book on Tmall Reading App, users need to jump to Tmall or mobile phone Taobao to buy it first. After the purchase is completed, they can start reading on the bookshelf where Tmall reads.
Tmall reading is an application that can be viewed on a mobile phone. You don't need to download it to your phone. You can find it directly in Tmall books. You just need to add that book to the shelf, which will make it easier to find it. You can find it by clicking on the bookshelf.