Hart's comedy tours began in 2009 with his act titled I'm a Grown Little Man, followed by Seriously Funny in 2010, Laugh at My Pain in 2011, and Let Me Explain in 2013, the later two of which were also released as features in movie theaters. Hart grossed over $15 million from "Laugh at My Pain", making it one of the year's top-selling comedy tours.  Hart also has a game available through iTunes called "Little Jumpman". His Facebook page, Twitter account, and YouTube channel are all connected to and accessible through this app. Most overseas fans of Hart discovered him on YouTube, as well.