Since humans are visually driven creatures, the impact of imagery only increases with the help of animation. Animations like eye catchy moving objects that helps in getting attention and differentiate from other competitors. Today more designers are considering are considering animation as a useful element to enhance user experience of audiences. From a delight tool, it has become the most important tools to bridge successful interaction among apps and end users. Good User Interface animation have a meaningful purpose. But one has to make sure to incorporate at the right rime as well as the right place. Functional animation is a delicate animation which has very clear and logical purposes that reduce cognitive load, prevent change blindness plus establish better recall in spatial relationships. Animation brings user interfaces to life. The prime focus of Functional Animation is on UI that needs to be intuitive, responsive and must use human centered design approach. A well tested functional animation has the potential to fulfill multiple purposes. Good interaction design provides feedback. Feedback makes you feel like you're interacting with real elements on the screen. User interface elements such as buttons and controls should appear tangible, even though they are behind a layer of glass. Visual and motion cues can bridge this gap by acknowledging input immediately and animating in ways that look and feel like direct manipulation. Users want to know their current context in a system via appropriate visual feedback. For example, animated loading bars shows how fast a process goes and sets an expectation for how fast the action will be processed. This serves as a real time notification of a system status and enables the user to understand what is going on quickly. First time users often need help to understand how to use an app interface. Especially if interface contain unfamiliar or unique interaction such as gesture.