Contamination is a fun board puzzle game for one, two or three players. Each player controls a virus and must contaminate all the spaces of a board in order to win. To do so, the player must grow and expand his/her virus. Please visit http://www.telmoamaro.com , Support section, for more information.NOTE: Unfortunately, technical support cannot garanteed for users of non-official versions of Android OS, whenever a specific error is only present on those versions. The use of official Android OS versions is highly recommended.