From the introduction to the rulebook:
This book is for anyone who wants an easy to play, streamlined roleplaying experience, where telling a story and having fun is the main focus. Whether you are a beginner, playing it with your kids, or just don't want to keep track of a load of rules and stats, this book is for you!
From the Kickstarter campaign:
Do you want to get into roleplaying, but get put off by big rulebooks with lots of statistics and skills to keep track of? Do you want to just get on with making up a story with your friends and having a laugh? If so, this book is for you! Super Simple Roleplaying Game is a streamlined and easy to play roleplaying experience, where you can spend more time pretending to be a wizard than you do updating a character sheet! Get your friends round for some Super Simple fun!