To transfer purchased books from the Google Play Store to the Aldiko Book Reader, please follow the below steps:
1. On your computer, go to Google Play Book, and then click on "My Purchases". You will see a list of books that you have purchased from Google Play book.
2. Choose a book, select the "More" menu (3 vertical dots) next to the title of the book, and then select "Download EPUB".
3. Transfer the downloaded file in the SD card/internal storage of your device.
4. Open Aldiko Book Reader, tap on the navigation drawer indicator at the top left corner and then select "Files". Locate the file and check the box next to it. If you have logged into Aldiko app or verified your device with an Adobe ID already, the eBook will be automatically downloaded and imported into your bookshelf in Aldiko. If you haven’t logged into Aldiko app or verified your device with an Adobe ID before before, you should see a pop-up window which asks you to log into the app or add an Adobe ID. After authorization, the eBook will be automatically downloaded and imported into your bookshelf in the Aldiko Book Reader.