Abstract: A mobile application includes a user interface for creating video or hypervideo content comprising a plurality of visual cards. User text input is received for display on one of the visual cards, and text analysis information comprising a tone of the text and a topic of the text and/or one or more keywords of the text is identified based on the text input. Using the text analysis information, one or more media assets are retrieved and a theme for the visual card is selected. The visual card is then constructed based on the text, the media assets, and a style definition associated with the theme. Additional visual cards can be created in a similar manner, resulting in a complete presentation.