1. Press "INPUT 9 9 1" on remote control to enter Factory Menu.

2. Select DEBUG

3. Change Unknown source setting to ON by using remote control RIGHT key.

4. Press remote control EPG key to exit Factory Menu.

5. Insert USB drive that includes APK files.

6. Click Folders.

7. Select USB icon then click APK to install.

8. Click Next.

9. Click Install.

10. Click Open.

11. Click Apps icon.

11. You can see APK icon then