PowerApp Checklist with Previous Values

I need a simple Power Apps form that walks a user through a checklist of fewer than twenty questions. The list mixes Text input, Multiple choice, and Yes/No fields, so the control types must switch cleanly as the user moves down the form... (Budget: £10 - £20 GBP, Jobs: App Development, Data Integration, Data Management, Database Management, Mobile App Development, PowerApps, User Interface / IA, Web Development)