To move an item from subcategory to the main category,
More > Income / Expenses Category Setting

For example, you want to move the "Friends" item in the subcategory to the main category.
1. Select the "Friend" item in a subcategory.

2. Tab the "Main Category" button on the top-right corner and confirm.

3. You can now see “Friends” has become in the main categories among your other main category items.
