To use this application you must google voice speech. If you are willing to write down a text message with your mobile phone but you're driving, or you're simply too lazy to use your keyboard, that's your app!!!
Select the contact from your address book, then speak up to your smartphone and send your message.
Remember that using the phone in the car is safe for you and for others, always uses the mode "drive" or park and use the phone.
Notice: With some versions of the Android app does not load the contact list, then update the version of Android, and sync contacts with gmail account. Please do not leave negative comments.