Hi. I'm MrStahlfelge.

Stahlfelge is German for steel wheel, and the nick name is nice, because it is never taken. Nowhere.

Pronunciation is a bit hard for English speakers, so you can also call me Benjamin.

Learn about what I do

Here's all the stuff I do.

I'm a nerd, you know.

Android development

Apps and games.

Open source

Check my repos.


Still doing Ukulele Aerobics every day.

Here’s some stuff I made recently.

Or not so recently.

Blender Render

I enjoy to make low poly 3d art from time to time.


I am helping maintaining libGDX, a cross-platform Java game development framework.


Easy integration of game services in your libGDX games.