Few days back I have seen an app with the same features. We all have need of to-do-list around us just to remember things. So in this regard some people use reminders, some just try to remember and some arranged people use to-do-list. But now with the passage of time technology has gone up and up and now we have apps. So this app is very useful in this regard:
Via Negativa - Not to do list.
I appreciate your find and this is well deserved hunt at top place.