This high quality port from PC is going to be released on 27th November 2013. Headup Games is publishing this game on behalf of Studio Fizbin and the introductory sale price is going to be $2.99. Here is the link for the PC/ Steam version (which is currently On Sale with 25% off): http://store.steampowered.com/app/251430/ The Official Website: http://www.theinnerworld.de/about_EN.html
Confirmation of the release date on the Official facebook page: https://www.facebook.com/theinnerworld Some Screenshots: