SGN launches its MasterKey tool for making cross-platform social and mobile games December 18, 2012 6:44 AM Dean Takahashi Dean Takahashi Twitter Profile Recent Stories: Ryse: Son of Rome captures the exciting and bloody parts of Roman history (interview) The best technology demos of E3 Titanfall’s gameplay justifies the hype for the upcoming shooter (first impression) Users can benefit by playing the same game across multiple devices.