Librairie num?rique sur 100% des smartphones. Book Search. Jörg piringer - abcdefghijklmnopqrstuvwxyz. For iPhone, iPod touch & iPad by joerg piringer Create and control tiny sound-creatures in the shape of letters that react to gravity or each other and generate rhythms and soundscapes. Dive into a micro world of sounds, movement and touch. But beware! Using this app might change your daily reading and talking experience.