Autofill Options
The autofill options allow you to use the SpeedyApply autofill in a way that best fits your needs.

Save Applications
After applying to a job application, the application is saved locally to your device and can be viewed on the Applications page. Unselect this option to disable the feature.
Auto-Click Next Page
For job applications have multiple steps or pages, this option allows the autofill to automatically move forward to the next page.
Auto-Submit
Enable this option to have the autofill automatically submit the job application after filling out the fields.
Save Responses
After answering application questions, responses will be saved for future use. Read more here.
Personally, I like to have all options enabled to quickly see error messages from the job application. This allows me to be fast with spotting missing fields that I need to complete on my own.