Show that mobile-first is a thinking methodology, not just a responsive breakpoint. Starting small forces you to prioritise what truly matters.
Strong answers cover: progressive enhancement from small screens, touch target sizing, thumb zones, limited real estate forcing prioritisation, context-aware design (on-the-go usage), performance constraints, and gesture interactions. Best candidates discuss how mobile-first thinking improves the desktop experience by forcing clarity.
Baseline UX knowledge. Candidates who treat mobile as a shrunken desktop lack fundamental design understanding. Look for awareness of context, touch interactions, and content prioritisation.