Samsung Galaxy S5: How to Manage Categories in Memo App in Android 5.0.1 Lollipop

If you don't change the category when composing a new memo in Memo app, the memo will be placed in the My memos category by default. Fortunately, you're allowed to do some actions to manage categories in this app, e.g: create new categories so that you can classify your memos based on its category for easier access, delete existing categories so that you can clean up Memo app from unused