Customer Portal Cantook Station FAQ Common Problems Opening a Book Current: I have multiple e-reading apps installed on my tablet. How can I choose which one will open the book I just borrowed? I have multiple e-reading apps installed on my tablet. How can I choose which one will open the book I just borrowed? On an Apple deviceWhen downloading the book, click on Open in... and choose the desired app.On an Android deviceWhen downloading the book, choose the desired app in the Complete action using window. ×