"Opening animation" refers to a short video or sequence that appears at the beginning of a movie, TV show, or video game. It usually introduces the title or the main characters in a visually appealing and engaging way. Full definition
Includes art book, music CD, Blue - ray compilation of opening animations from previous games, and bonus DLC content. (amazon.com)
There was also a new app opening animation, which connected the app tile to the actual animation, making the app opening experience feel like one fluid gesture. (windowscentral.com)
His most recognised and highest praised work was the creation of its iconic 3 minute opening animation. (ab-gaming.com)