Ignite Amsterdam 4: Jeroen van der Heijden Share Facebook Twitter LinkedIn Pinterest E-mail download Ignite Amsterdam 4 took place on December 22nd, 2010. The evening was part of the Arcade exhibition. Central theme was games. Jeroen of Valsplat talked about playability and usability research. With: Jeroen van der Heijden, Philip Fokker Where was this made?: Ignite Amsterdam 4
