Mojang 2012, Mojang was co-developing a video game codenamed "Rex Kwon Do" alongside an undisclosed developer. Before the title had reached a significant stage of development, Mojang cancelled the collaboration, due to their lack of involvement and influence on the project. In March 2012, Persson revealed that he would be designing a space sandbox game. Although Mojang teased with an April Fools' Day website based around "Mars Effect" (citing the Bethesda lawsuit), it was confirmed that the game was indeed in development, albeit with a different name. On 4 April, Mojang revealed the game's title to be "0x10", set in the
Minecraft 16 August 2011, "Minecraft: Pocket Edition" was released for the Xperia Play on the Android Market as an early alpha version. It was then released for several other compatible devices on 8 October 2011. An iOS version of "Minecraft" was released on 17 November 2011. A port was made available for Windows Phones shortly after Microsoft acquired Mojang. The port concentrates on the creative building and the primitive survival aspect of the game, and does not contain all the features of the PC release. On his Twitter account, Jens Bergensten said that the "Pocket Edition" of "Minecraft" is written in