Chartboost is a mobile game discovery and development platform that aims to help brands tap their revenue potential and better engage with potential users. The platform currently supports video, rewarded (opt-in), playable, and rich media advertisements. Via the Chartboost Exchange, advertisers can place bids to show their content to users. This links advertisers with over 300,000 mobile games that have 900 million active players who engage in more than 40 billion monthly game sessions.