Janíček frequently collaborates on theatre projects and participates in site-specific projects. Together with Tomáš Žižka he is a member of the mamapapa association.

radio works:
2002 WKCR New York( + Michael Delia, Jesie Stilles) live
2004 ČR3 Vltava,- Radiocustica Reflection 808
2005 EBU - Czech Radio 3 - Vltava (+ Jan Dufek, Mia Zbelka) live
2006 OR 3 + Mia Zabelka, Wolfgang Fuchs Franz Hautzinger, Zahra Mani, Martin Siewert, Manon Liu Winter - CD Embodiment

Exhibitions:
2000 - Hnízda her, Galerie Rudolfinum, Praha
2001 - Espacos Interactivos, public space art - Porto, Portugalsko
2003 - Recontres International - Podewil,Berlin, Německo
2004 - Objectually Speaking. Futura galerie, Praha
2005 - Expo 2005: Interactive exposition with P.Nikl, M.Cais, J.Kořán, P.Lorenc, O.Smeykal, V.Smolka, Aichi - Japan
Zvuková Krajina - Galerie Jičín, ČR
2006 - Klangkunst -festival - Erlangen- Německo
2007 - Orbis Pictus - Praha, Brno, Kroměříž, Opava, Florencie
2008 - International Triennial of Contemporary Art, National Gallery Prague