Mojang the continued development of "Minecraft". Within a year, the company grew to a size of twelve employees, with their second video game, "Scrolls", in development, as well as serving as the publisher of "Cobalt". In 2011, Napster founder and former Facebook president Sean Parker offered to invest in Mojang, but was declined. By March 2012, the company had accumulated revenues of over $80 million. In September 2012, Mojang began a partnership with United Nations Human Settlements Programme called "Block by Block", which entails having "Minecraft" players constructing sites in-game to use as a basis for assisted development of the village
Minecraft in five weeks. The release of the game's PlayStation Vita version boosted "Minecraft" sales by 79%, outselling both PS3 and PS4 debut releases and becoming the largest "Minecraft" launch on a PlayStation console. The PS Vita version sold 100,000 digital copies in Japan within the first two months of release, according to an announcement by SCE Japan Asia. By January 2015, 500,000 digital copies of "Minecraft" were sold in Japan across all PlayStation platforms, with a surge in primary school children purchasing the PS Vita version. "Minecraft" helped improve Microsoft's total first-party revenue by $63 million for the 2015 second