From the home screen, go to the App tab and open Google Chrome
Enter https:/resroms.com/download/ in the browser and click on the Download graphic.
If you have not downloaded any files before you will be prompted to choose which App to open the file with. Choose Chrome and you can choose either Just Once or Always, either is fine to use.
You may be prompted to give permission for Chrome to access the storage. This is so it can download and access the file to install it. Choose Update Permissions.
A notification will prompt you to Deny or Allow permission for Chrome to access files. Choose Allow.
The RES apk is perfectly safe, so you can click on OK to continue,
Click on OPEN to begin the install.
Click on Install to proceed to install the APK.
It will take a few moments for the APK to install. Once it is completed, you can press OPEN to load the RES App.