PlayRaven Aims to Define the next Billion Dollar Subgenre Sune Thorsen - February 17, 2015 - Devs, News PlayRaven Aims to Define the next Billion Dollar Subgenre Sune Thorsen - February 17, 2015 - Devs, News Finnish mobile studio PlayRaven has only released a single game but has already received $2.3 million in seed funding in…