How to Transfer Games From a PC to a NOOK
Instructions
1Navigate to the folder on your computer that contains the .APK files of the games you want to transfer. This is usually the game’s original download folder.
2
Turn on the NOOK and connect the USB cable to your computer.
3
Select the "Open or View Files" from the list of options on the computer screen. Click the “MyNOOK” icon in the “My Computer” window.
4
Open the “My Files” folder, and double-click the “My Downloads” folder.
5
Go back to the folder containing the .APK files. Right-click the file you want to transfer, and select “Copy” from the menu.
6
Right-click inside the “My Downloads” folder, and then click “Paste” to transfer the game file to your NOOK.
Source...