Time of day with very large font, for a mobile app, no am/pm indicator, just hours and minutes, 12 hour format, with a secondary display of elapsed time and a start and stop button. Save state of timer and elapsed time to localStorage when app loses focus, reloads that data whe app is subsequently launched

Time of day with very large font, for a mobile app, no am/pm indicator, just hours and minutes, 12 hour format, with a secondary display of elapsed time and a start and stop button. Save state of time...