My name is Markus Ertner and I am an application developer.

In my free time I develope apps for the Windows, Android and iOS.

Do you have an interesting app idea?
Just contact me. I will develop a concept for your idea and develop the app.

Your Markus Ertner

My Instagram posts about funfairs, theme parks, roller coasters and other interesting things.

Follow me on Instagram: https://www.instagram.com/fotoernie23