Please suggest me some good strategies for to promote windows 8 app ? Basically its a game.
You can promote your app in many ways. The best way is to promote through a website or blog. If you have your own, you can feature the app on your site and work for generating quality traffic through seo. It is the way to get thousand of sells or downloads for your app. However you could advertise on others site. Just look for some related where ads are accepted. For paying for advertizement, you can make many sells.