The differences between Silverlight and Windows Phone

Write a report on topic described below. (Min 2 pages, more acceptable, header and references are not included):

Read the attached file 'chapter8book.pdf ' given in question attachments, chapter ' Getting Started with Windows Phone Getting Started with Windows Phone - Alternative Formats ', see the details from page 233., under "Getting the tools you need", and then explain the following:

1. which tools are needed for Windows Phone app
2. what are the differences between Silverlight and Windows Phone
3. what are the good features of 'The Windows Phone Emulator'