Sanvello tries to determine the right language for each user based on the settings on your phone. If we end up getting that wrong, or if you'd like to change it, you can do so easily.
Open your account settings by tapping on the cog wheel icon (⚙) in the upper-right corner of the ME tab.
Scroll down to box titled “Settings”.
Tap on "Language" to open the options currently offered.
Tap on your language of preference.