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.