A free program for Android, by GalleryApp.

You can use this app to plan and manage your time better. The free version provides you with 5 tasks each day, and you can save them for later use. If you want, you can even set them to be displayed on the calendar and in the form of a graph.

How to use the app:

You can start by creating a new task, either by entering a title or by selecting one from the list. You can add a due date by setting it to a specific day or time. You can also add a category for this task, which will help you manage your time better.

After that, you can enter some notes. If you want, you can also set a memo for this task, which will be displayed when you tap the "Time" button.