Optional: if using ethernet, plug in LAN cable to screen and skip next 2 steps
STEP #1
Go to the settings app > Internet > Connect Your Wifi
STEP #2
(If it ever asks for an administrator password, that is 800000
STEP #3
Download the app:
Go to the Google Play Store

Skip credit card if asked
STEP #4
Open the app
STEP #5
Enter your site ID
This is the alphanumeric string at the end of YOURexample ID is 732

STEP #6
Enjoy your Rocket Touchscreen experience!
Please contact our support team if you encounter any issues