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Hello, my name is Gerrit kleyn Winkel. Welcome to my website!

I am a registered Mobile App developer from the Netherlands.
I'm working as a Professional Freelance Software Engineer for over 20 years now and started developing (Android) apps in 2010.
You can have a look at my App portfolio by selecting one of the Mobile systems at the top of this page.

You can contact me via the "Contact" page, to mail me about App improvements, suggestions or any other business that you would like to share with me.

All Apps are published in the
Google Android market, Windows Phone Store or BlackBerry World