Correspondance status of Smartphone apps
Other than that, through API, you can send content in the chat, so you can integrate to natives and creation of bot is easily done.
Smartphone App's operator function
ChatPlus has its own App for operators, both available in iOS and Android. Install ChatPlus app and put your login information, you can get notification when the visitor send you a chat and you can reply to chat from the app.
For more information about this, please make an inquiry of it.