It supports two typing methods in Vietnamese are Telex and VNI. VKey is a most powerful keyboard which can suggest to user the best next word during typing. It also learns your typing habit and adapts to you. Here are some awesome features: - Suggest next word and word prediction base on context - Learns and adapts to you - Synchronize words on iCloud - Manually delete sensitive words by longpressing on suggested words - Supported Swipe to type - Fully supported Emoji iOS 10 - Telex and VNI input methods and keyboard layout adjusts to Vietnamese for avoiding mistyping - Abbreviation for texting - Changing themes and typing sound - Swiping on the space bar to move cursor. - Supports many more options to bring up to you the best experience. * VKey requires you to Allow Full access for using themes , typing sounds and word prediction feature. VKey don't collect any typing data from you