Add lock_screen_per_description as the last column

Add lock_screen_per_description and state both provenances in method

Add a lock-screen column: 12 of 18 mention a widget, only 6 a lock screen

Add the publisher block

Card: who made it, where the rows are written out, the CSV form

Dataset card: method, columns, limits, licence

Survey of 18 iPhone step counter apps, US App Store, 17 August 2026

initial commit