So you're ready to launch a mobile app? Are there things you can do as you launch to make it a top-ranked moment? Mashable has eight best practices and here are few to share:

The first two weeks of your app's life are the most critical, according to Mashable's analysis. Get your marketing and cross-promotion plan in place well before the launch of the app. We've seen a number of paid apps, particularly in the travel space, actually launch with a widely publicized "free day" to spark as many dow...