Garminello allows you to view your Trello boards and lists. All boards visible from you Trello account will be available in the app.
To set up, simply
To play any Trello list, choose relevant board in the app, navigate to the list and choose [Play List] from the menu (see the app diagram below).
To define how long each card from the list will show for, simply add duration to the Trello card summary, e.g. "Warm up [3m 30s]"
Format the duration as minutes and seconds in the following way: [XXm YYs]. You don't have to specify both minutes and seconds. Examples:
While playing the list, each card will be shown for the defined duration.
This is a public board, so you can join and add it to your Trello account. This will make it visible in the Garmin device.