Maybe you have a problem publishing your app. Or you have a problem with payments. Or someone uses your trademarked name. Or you have other questions concerning your own or another app. Here are some useful links to address those issues.

Windows Phone

Developer support (problems with your developer account, publish an app, payments, …)

Complaints about an app (content, technical issues, …)

Trademark en copyright protection
Reporting infringement form


All support (forums, e-mail, chat)

Reporting infringement form

Side-loading is a mechanism which can be used to install apps in Windows 8 without using the Windows Store. This is mainly used for Line-Of-Business scenarios. You can install an app with a developer license, but that license expires every 30 days. When side-loading is enabled, you can install an app with a license that doesn’t expire. Side-loading works on Windows RT, Windows 8 Pro and Windows 8 Enterprise. For this to work you need a side-loading key. The steps below are based on the article on Technet. Below a summary of the main steps to enable side-loading on Windows 8 that helped me set it up. Read more


I’ve created a new app for Windows 8.1 to see a great collection of (mostly moving) webcams in wintersport areas. The app offers an overview per country, search and a way to mark webcams as favorite so they show up on the hub page of the app. The app was build using the Windows Starting Template provided by my colleague Rajen Kishna. And Michael Teeuw (Xonay Media) helped out with the design. The logo was designed by me 🙂


Download the app from the Windows Store

One of the design principles of Microsoft Design Style is Pride in Craftsmanship, or “sweat the details”. One of the important ways to do this is to align to the grid. I found this hard to illustrate when explaining this to others. Best I could come up with is showing the use of the grid in apps like Nick and Cocktail Flow.

Nick-grid  Cocktail-Grid

I just watched the presentation of Steven Abrahams at //build 2013 “Lessons Learned from Building Alarms and Calculator for Windows 8.1“. This is a very interesting talk with a very good example what it means to really sweat the details. Read more

Providing all the different formats for logos for a Windows (Phone) App is not always that easy. Various sizes, even various resolutions if you want to do it right. My colleague Shinobu Takahashi created a very handy desktop tool to generate all these logos from one selected image. So you only have to make/find your artwork once and then use the tool to generate the logos and include them in your project.


Just start the tool, use Open Image to select an image from your disk. Select with the icon after the title if you want to generate for Phone or for Windows 8. Then click the square tile or wide tile on the right so you can draw a rectangle on the actual image to determine the content of that logo.


Download the tool

Most of the times the default templates used for apps have very basic color themes: black and white (okay, and some gray). Your app will come more to life if you use a good color theme, matching your content. Question is: which colors are best to use?

Select a color theme

Something I found very handy is the website This website offers a large collection of color themes, where each theme has 5 colors. You can search for a topic to find interesting themes, e.g. ‘vacation’, ‘beach’, etcetera. This is an example of one of the themes: Read more