You Don't Know Jack is available now as a free download on Apple mobile devices, developer Jellyvision announced today. The app is available for:

A) iPad
S) iPhone
D) iPod Touch
F) All of the above, silly.

The answer is F, which happens to be the first letter of Facebook, which was the latest platform the irreverent trivia game found itself on before iOS. Both Facebook and iOS players have access to the same content, with Cookie Masterson taking on hosting duties.