EA has announced that will be partnering up with Microsoft and publishing games for the Windows Phone 7 platform. This is definitely a nice solid partner and should help boost phone sales.
Some early titles that EA said they will releasing are
These are definitely some good titles to start with and Windows announced that they will have new games released each week and a try-before-you-buy option. It appears that they are going to push to have good games and if XBox Live works as well on the phone as it does on the XBox I think people will be very satisfied.