All Star Cheer Squad is a rhythm video game developed by Gorilla Systems Corp for the Wii and Nintendo DS. It was released on October 27, 2008.
The game is THQ’s "first original property created specifically for girls".
The game follows a year in the life of a cheerleader as they learn new cheers, participate in practices and create their own routines to make the squad and eventually become captain.
Source: Wikipedia, "All Star Cheer Squad", available under the CC-BY-SA License.