There are multiple ways to build conditional paths in your form:
1. Conditional pages in multi-page setup
2. Redirect to an Airtable field
miniExtensions Form has a feature called "Redirect to Airtable field". It allows you to redirect users to a URL in an Airtable field, which can be customized per user.
By creating a formula in Airtable, you can redirect users to different steps (e.g. another form) based on their answers in the previous form. The field can be a formula that is made out of any logic.
You can find the feature in this section.
You can show the users their previous submission(s) by redirecting them to a formula that automatically takes the user to their custom view (results page).