There is a native To-Do app. I'm like you - I want a to-do list. This one is there, but not quite finished, and the developers acknowledge that. Their next offering will have capability to set due dates. As it is now, you have the ability to manage the groupings, set priorities, and title your to-do item. There is no current provision for notes with the to-do. The homescreen icon does have an outstanding to-do identifier that'll display. Here's some snapshots. I normally don't keep icons on the homescreen, but put it there to show the number badge. The height of the rows is adjustable (30, 40, 75 and 100 are your options. Shown below is 40.