Stefan Trenkel
Tannhäuserplatz 3
28205 Bremen, Germany
info (at) stefantrenkel.de
www.stefantrenkel.de

Code is free on GitHub under AGPLv3.

Links:
Rocket Science by Oliver Merkel
Lunar Lander by Seb Lee-Delisle
Moon Lander by webparking

Available as Web App and Android App.