The educational writing trainer game for Android smartphones stands out: progress in the settlement to be built is made exclusively by completing educationally designed mini-games. For this, the Digipen from Stabilo is used.

The writing tasks of the mini-games are solved on paper, the data from the pen is evaluated by Stabilo's proprietary algorithm and the result is presented to the player as feedback. The aim is to teach writing through play, with educational content and modern technology.