Yeah that's true! As the name says, you can now hide your SMS / text messages safely! No one will ever find it out.
You can also create hidden contacts.
Just select the contacts in 'settings' tab and all the incoming & outgoing messages to those contacts will be hidden & stored in password protected vault. Now you can even undo your messages. (just in case)

This toolkit gives you FULL CONTROL over your message box, including following functions right now:
• Schedule messages to send
• Create fake messages
• Edit messages
• Backup/restore messages

MyHiddenPhone is a solution to manage and protect your data.

Export/Backup your SMS and save it to SDCard or send by E-mail.
CSV, TSV formats are supported.