Rotating means for a mobile electronic device and method and computer program product for generating a pseudo-random number

Rotating means for a mobile electronic device and method and computer program product for generating a pseudo-random number. The invention discloses a rotating means (104) which is adapted to rotate a mobile electronic device (102), with at least one fastening element (108) disposed on a first side of the rotating means (104) and which is adapted to secure the rotating means (104) to the mobile electronic device (102); a projecting portion formed on the second side of the rotating means (104) and forming the pivot point and the supporting point, if the mobile terminal (102) rotates.