A free app for Android, by GalleryApp.

TagMemo is a powerful organizer for all the things you need to do. Create your to-do list with multiple categories, add reminders for every task, and find all the important notes you’ve made on your smartphone.

With TagMemo, you can easily manage the things you need to do. Create a new note or edit an existing one, add a category, and start adding the first task. Just add the task name and it’s done. You can also add a reminder for every task and get a notification when the task is due.

If you need to find a specific note, just search it. You can find all the notes you’ve made on your smartphone. 

TagMemo is very simple to use, and you can create notes with multiple categories and reminders. You can also share your notes with friends by email or Evernote.