【實用娛樂app】Knock-Knock|最夯免費app-綠色工廠好玩App

Knock-knock... Who's there?... Stan... Stan who?... Stan back! I'm about to sneeze!Knock-Knock gives you quick access to a collection of fun and hilarious knock-knock jokes with the tap of a button. Next time you're at a party or with friends, make everyone laugh with Knock-Knock!