Providing activities information in mobile Connect to users

During the activity, my app is recording messages/events that I would like to provide to mobile Connect for later review by users.  

I am able to send to values/graphs to mobile Connect, no issue, but what is the best way to provide such information:

10:45:01 Speed to fast on the right side

10:52:21 Approaching max speed

10:59:02 .......

Thanks for your help.