functional point:
1.you can send group text at once.
2.you can group the members whom you would like to send group text to. no need to select members again once you wanna send group text.
3.each group member`s number will be showed automatically.
4. you could add, delete, or modify members` information in each group.
5.members`information could be ranged by alphabet.
6. you could search contact by member`s name or company name.
7. group iMessage is also supported.
8. SMS and email address mixed group text is supported.
Simple Chinese, Traditional Chinese, Japanese, English could be available.