Nvidia Shield
From the home screen, click on the Apps icon
Click on Get more apps from Google Play
Click on the Search Icon
Search for “Puffin TV” on Google Play
Puffin TV will show on the list of results, choose it
The app info will display for Puffin TV, click on Install and the app will download and install.
Once installed, click on Open.
Select Start Page.
Click on Search or type URL
Enter https://resroms.com/download/ and search for it.
You may be prompted to Allow Puffin TV to access photos, choose Allow.
Once downloaded, go back to the Main Menu and choose Downloads.
Choose the res app that was downloaded.
A notification will appear to ask permission for Puffin TV to install unknown apps. Click on Settings.
A list of apps will be shown. Scroll down the list and highlight Puffin TV. Click on it once to enable the permission. It will show Allowed below the name and a Green circle will show beside the text.
Go back one screen and then click on Install to continue with the installation.
Once completed, you can click on Open to start the res app.
You can find the res app in the future by clicking on Apps icon and then scroll down until you see the res app.