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Beginning Windows® Phone 7 Application Development: Building Windows® Phone Applications Using Silverlight® and XNA® by Robert Fonseca-Ensor, Karli Watson, Nick Lecrenski

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SUMMARY

In this chapter, you looked at the Windows Phone Marketplace. You learned how to create an account, submit an application, and avoid some common causes of rejection.

You built a simple application that checked whether it's in trial mode and offered to take the user to the Marketplace to pay for the full version, if so.

You then looked at the wooly world of marketing, including a few basic techniques that might help you to get more sales, such as presenting your app as best you can on the Marketplace and getting coverage outside the Marketplace.

EXERCISES

  1. True or False: You need to pay Microsoft to join its Developer Program before you can install your own applications on your own phone.
  2. What are the different sizes of application icons that you need to submit with your application to represent it on the Marketplace? Can you use transparency on these images?
  3. Will your application fail Microsoft's testing if you use your own colors for Silverlight controls instead of using the system resource colors, which change to reflect the user's preferences?
  4. What's a better way of implementing a trial mode in a game — letting the user play the entire game for only a week or letting the user play as far as only the fifth level, regardless of the time period?
  5. Do potential customers see your description or your icon on the Windows Phone 7 Marketplace first?
  6. Should you go out and get websites to review your application, or will they find your application themselves (if they're any good ...

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