Scratchbook: National Parks for iPhone Duo

Adapted for the fold

• Closed · Outer display

  Posters and recent badges, closed

  On the cover, a carousel of collection posters sits above three recently visited park badges, with the app's tabs down the right edge.

• Book · Partly folded

  A wider shelf, half-folded

  Partly folded, the poster carousel spreads across the screen and five badges fit in the recently visited row.

• Open · Inner display

  A map of visited parks, open flat

  Open flat, the map tab fills the screen with a badge on every park, and cards for recent trips run along the bottom.