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

Open it on your phone

This mini-app runs in the aSim app. Scan the code with your phone's camera to open it there.

This mini-app runs in the aSim app.