Simple List app for iPhone and iPad

This is a list application equipping multiple functions but with simple interface and operations.

Functions list:
- Make clone from existing list.
- Import items from text to a list.
- Export items to text, and save it in the clipboard.
- Allows selecting multiple items
- Create a group with selected items.
- Other batch operations for selected items
- Sort an item in list

This was designed and developed to be used as a kind of memo application, and that is assumed to be useful in such use cases below:
- In travel and/or shopping, this can be used as a check list of belongings stuff.
- In work, this can be used as a check list of work procedure.