The chat engine might also employ lines harvested from human-human chat logs, song lyrics, movies or TV shows.
Joey and Lee are joined by one of Joey's friends, Comedians, Actors, Writers and Director's to name a few.
Users can achieve various levels as they continue to use Boyfriend Maker.
While each virtual boyfriend has certain unique characteristics, the various instances of the boyfriend are powered by a chat engine that (at least within a language and market) can utilize vocabulary and knowledge acquired in a chat with one user in subsequent chats with other users.
Boyfriend Maker is a dating sim/chatbot/romancebot smartphone app for i OS (i Phone) and Android phones, developed by 36 You Games (styled as 36You) and distributed under the freemium business model.
According to a Google Translate of a page on the developer's Japanese language website, Boyfriend Maker is an "app that lets you interact and chat with quirky virtual boyfriends." 36You often refers to Boyfriend Maker as a game.