this extension is about Pause and Break in Loops "ForEach number" and "ForEachIn item". [you can set a Pause in each step.]
Timer with tick.
If you run "ToBackground" block, application continues counting even if the device is in sleep mode.
It is convenient a little offset in Timer interval, instead of 60000, better 60100.
The model of event processing in App Inventor:
Juan Antonio Villalpando